' + func(text) + '
';\n\t * });\n\t *\n\t * p('fred, barney, & pebbles');\n\t * // => 'fred, barney, & pebbles
'\n\t */\n\t function wrap(value, wrapper) {\n\t wrapper = wrapper == null ? identity : wrapper;\n\t return partial(wrapper, value);\n\t }\n\t\n\t /*------------------------------------------------------------------------*/\n\t\n\t /**\n\t * Casts `value` as an array if it's not one.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 4.4.0\n\t * @category Lang\n\t * @param {*} value The value to inspect.\n\t * @returns {Array} Returns the cast array.\n\t * @example\n\t *\n\t * _.castArray(1);\n\t * // => [1]\n\t *\n\t * _.castArray({ 'a': 1 });\n\t * // => [{ 'a': 1 }]\n\t *\n\t * _.castArray('abc');\n\t * // => ['abc']\n\t *\n\t * _.castArray(null);\n\t * // => [null]\n\t *\n\t * _.castArray(undefined);\n\t * // => [undefined]\n\t *\n\t * _.castArray();\n\t * // => []\n\t *\n\t * var array = [1, 2, 3];\n\t * console.log(_.castArray(array) === array);\n\t * // => true\n\t */\n\t function castArray() {\n\t if (!arguments.length) {\n\t return [];\n\t }\n\t var value = arguments[0];\n\t return isArray(value) ? value : [value];\n\t }\n\t\n\t /**\n\t * Creates a shallow clone of `value`.\n\t *\n\t * **Note:** This method is loosely based on the\n\t * [structured clone algorithm](https://mdn.io/Structured_clone_algorithm)\n\t * and supports cloning arrays, array buffers, booleans, date objects, maps,\n\t * numbers, `Object` objects, regexes, sets, strings, symbols, and typed\n\t * arrays. The own enumerable properties of `arguments` objects are cloned\n\t * as plain objects. An empty object is returned for uncloneable values such\n\t * as error objects, functions, DOM nodes, and WeakMaps.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 0.1.0\n\t * @category Lang\n\t * @param {*} value The value to clone.\n\t * @returns {*} Returns the cloned value.\n\t * @example\n\t *\n\t * var objects = [{ 'a': 1 }, { 'b': 2 }];\n\t *\n\t * var shallow = _.clone(objects);\n\t * console.log(shallow[0] === objects[0]);\n\t * // => true\n\t */\n\t function clone(value) {\n\t return baseClone(value, false, true);\n\t }\n\t\n\t /**\n\t * This method is like `_.clone` except that it accepts `customizer` which\n\t * is invoked to produce the cloned value. If `customizer` returns `undefined`,\n\t * cloning is handled by the method instead. The `customizer` is invoked with\n\t * up to four arguments; (value [, index|key, object, stack]).\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 4.0.0\n\t * @category Lang\n\t * @param {*} value The value to clone.\n\t * @param {Function} [customizer] The function to customize cloning.\n\t * @returns {*} Returns the cloned value.\n\t * @example\n\t *\n\t * function customizer(value) {\n\t * if (_.isElement(value)) {\n\t * return value.cloneNode(false);\n\t * }\n\t * }\n\t *\n\t * var el = _.cloneWith(document.body, customizer);\n\t *\n\t * console.log(el === document.body);\n\t * // => false\n\t * console.log(el.nodeName);\n\t * // => 'BODY'\n\t * console.log(el.childNodes.length);\n\t * // => 0\n\t */\n\t function cloneWith(value, customizer) {\n\t return baseClone(value, false, true, customizer);\n\t }\n\t\n\t /**\n\t * This method is like `_.clone` except that it recursively clones `value`.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 1.0.0\n\t * @category Lang\n\t * @param {*} value The value to recursively clone.\n\t * @returns {*} Returns the deep cloned value.\n\t * @example\n\t *\n\t * var objects = [{ 'a': 1 }, { 'b': 2 }];\n\t *\n\t * var deep = _.cloneDeep(objects);\n\t * console.log(deep[0] === objects[0]);\n\t * // => false\n\t */\n\t function cloneDeep(value) {\n\t return baseClone(value, true, true);\n\t }\n\t\n\t /**\n\t * This method is like `_.cloneWith` except that it recursively clones `value`.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 4.0.0\n\t * @category Lang\n\t * @param {*} value The value to recursively clone.\n\t * @param {Function} [customizer] The function to customize cloning.\n\t * @returns {*} Returns the deep cloned value.\n\t * @example\n\t *\n\t * function customizer(value) {\n\t * if (_.isElement(value)) {\n\t * return value.cloneNode(true);\n\t * }\n\t * }\n\t *\n\t * var el = _.cloneDeepWith(document.body, customizer);\n\t *\n\t * console.log(el === document.body);\n\t * // => false\n\t * console.log(el.nodeName);\n\t * // => 'BODY'\n\t * console.log(el.childNodes.length);\n\t * // => 20\n\t */\n\t function cloneDeepWith(value, customizer) {\n\t return baseClone(value, true, true, customizer);\n\t }\n\t\n\t /**\n\t * Performs a\n\t * [`SameValueZero`](http://ecma-international.org/ecma-262/6.0/#sec-samevaluezero)\n\t * comparison between two values to determine if they are equivalent.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 4.0.0\n\t * @category Lang\n\t * @param {*} value The value to compare.\n\t * @param {*} other The other value to compare.\n\t * @returns {boolean} Returns `true` if the values are equivalent, else `false`.\n\t * @example\n\t *\n\t * var object = { 'user': 'fred' };\n\t * var other = { 'user': 'fred' };\n\t *\n\t * _.eq(object, object);\n\t * // => true\n\t *\n\t * _.eq(object, other);\n\t * // => false\n\t *\n\t * _.eq('a', 'a');\n\t * // => true\n\t *\n\t * _.eq('a', Object('a'));\n\t * // => false\n\t *\n\t * _.eq(NaN, NaN);\n\t * // => true\n\t */\n\t function eq(value, other) {\n\t return value === other || (value !== value && other !== other);\n\t }\n\t\n\t /**\n\t * Checks if `value` is greater than `other`.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 3.9.0\n\t * @category Lang\n\t * @param {*} value The value to compare.\n\t * @param {*} other The other value to compare.\n\t * @returns {boolean} Returns `true` if `value` is greater than `other`,\n\t * else `false`.\n\t * @example\n\t *\n\t * _.gt(3, 1);\n\t * // => true\n\t *\n\t * _.gt(3, 3);\n\t * // => false\n\t *\n\t * _.gt(1, 3);\n\t * // => false\n\t */\n\t function gt(value, other) {\n\t return value > other;\n\t }\n\t\n\t /**\n\t * Checks if `value` is greater than or equal to `other`.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 3.9.0\n\t * @category Lang\n\t * @param {*} value The value to compare.\n\t * @param {*} other The other value to compare.\n\t * @returns {boolean} Returns `true` if `value` is greater than or equal to\n\t * `other`, else `false`.\n\t * @example\n\t *\n\t * _.gte(3, 1);\n\t * // => true\n\t *\n\t * _.gte(3, 3);\n\t * // => true\n\t *\n\t * _.gte(1, 3);\n\t * // => false\n\t */\n\t function gte(value, other) {\n\t return value >= other;\n\t }\n\t\n\t /**\n\t * Checks if `value` is likely an `arguments` object.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 0.1.0\n\t * @category Lang\n\t * @param {*} value The value to check.\n\t * @returns {boolean} Returns `true` if `value` is correctly classified,\n\t * else `false`.\n\t * @example\n\t *\n\t * _.isArguments(function() { return arguments; }());\n\t * // => true\n\t *\n\t * _.isArguments([1, 2, 3]);\n\t * // => false\n\t */\n\t function isArguments(value) {\n\t // Safari 8.1 incorrectly makes `arguments.callee` enumerable in strict mode.\n\t return isArrayLikeObject(value) && hasOwnProperty.call(value, 'callee') &&\n\t (!propertyIsEnumerable.call(value, 'callee') || objectToString.call(value) == argsTag);\n\t }\n\t\n\t /**\n\t * Checks if `value` is classified as an `Array` object.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 0.1.0\n\t * @type {Function}\n\t * @category Lang\n\t * @param {*} value The value to check.\n\t * @returns {boolean} Returns `true` if `value` is correctly classified,\n\t * else `false`.\n\t * @example\n\t *\n\t * _.isArray([1, 2, 3]);\n\t * // => true\n\t *\n\t * _.isArray(document.body.children);\n\t * // => false\n\t *\n\t * _.isArray('abc');\n\t * // => false\n\t *\n\t * _.isArray(_.noop);\n\t * // => false\n\t */\n\t var isArray = Array.isArray;\n\t\n\t /**\n\t * Checks if `value` is classified as an `ArrayBuffer` object.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 4.3.0\n\t * @category Lang\n\t * @param {*} value The value to check.\n\t * @returns {boolean} Returns `true` if `value` is correctly classified,\n\t * else `false`.\n\t * @example\n\t *\n\t * _.isArrayBuffer(new ArrayBuffer(2));\n\t * // => true\n\t *\n\t * _.isArrayBuffer(new Array(2));\n\t * // => false\n\t */\n\t function isArrayBuffer(value) {\n\t return isObjectLike(value) && objectToString.call(value) == arrayBufferTag;\n\t }\n\t\n\t /**\n\t * Checks if `value` is array-like. A value is considered array-like if it's\n\t * not a function and has a `value.length` that's an integer greater than or\n\t * equal to `0` and less than or equal to `Number.MAX_SAFE_INTEGER`.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 4.0.0\n\t * @category Lang\n\t * @param {*} value The value to check.\n\t * @returns {boolean} Returns `true` if `value` is array-like, else `false`.\n\t * @example\n\t *\n\t * _.isArrayLike([1, 2, 3]);\n\t * // => true\n\t *\n\t * _.isArrayLike(document.body.children);\n\t * // => true\n\t *\n\t * _.isArrayLike('abc');\n\t * // => true\n\t *\n\t * _.isArrayLike(_.noop);\n\t * // => false\n\t */\n\t function isArrayLike(value) {\n\t return value != null && isLength(getLength(value)) && !isFunction(value);\n\t }\n\t\n\t /**\n\t * This method is like `_.isArrayLike` except that it also checks if `value`\n\t * is an object.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 4.0.0\n\t * @category Lang\n\t * @param {*} value The value to check.\n\t * @returns {boolean} Returns `true` if `value` is an array-like object,\n\t * else `false`.\n\t * @example\n\t *\n\t * _.isArrayLikeObject([1, 2, 3]);\n\t * // => true\n\t *\n\t * _.isArrayLikeObject(document.body.children);\n\t * // => true\n\t *\n\t * _.isArrayLikeObject('abc');\n\t * // => false\n\t *\n\t * _.isArrayLikeObject(_.noop);\n\t * // => false\n\t */\n\t function isArrayLikeObject(value) {\n\t return isObjectLike(value) && isArrayLike(value);\n\t }\n\t\n\t /**\n\t * Checks if `value` is classified as a boolean primitive or object.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 0.1.0\n\t * @category Lang\n\t * @param {*} value The value to check.\n\t * @returns {boolean} Returns `true` if `value` is correctly classified,\n\t * else `false`.\n\t * @example\n\t *\n\t * _.isBoolean(false);\n\t * // => true\n\t *\n\t * _.isBoolean(null);\n\t * // => false\n\t */\n\t function isBoolean(value) {\n\t return value === true || value === false ||\n\t (isObjectLike(value) && objectToString.call(value) == boolTag);\n\t }\n\t\n\t /**\n\t * Checks if `value` is a buffer.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 4.3.0\n\t * @category Lang\n\t * @param {*} value The value to check.\n\t * @returns {boolean} Returns `true` if `value` is a buffer, else `false`.\n\t * @example\n\t *\n\t * _.isBuffer(new Buffer(2));\n\t * // => true\n\t *\n\t * _.isBuffer(new Uint8Array(2));\n\t * // => false\n\t */\n\t var isBuffer = !Buffer ? constant(false) : function(value) {\n\t return value instanceof Buffer;\n\t };\n\t\n\t /**\n\t * Checks if `value` is classified as a `Date` object.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 0.1.0\n\t * @category Lang\n\t * @param {*} value The value to check.\n\t * @returns {boolean} Returns `true` if `value` is correctly classified,\n\t * else `false`.\n\t * @example\n\t *\n\t * _.isDate(new Date);\n\t * // => true\n\t *\n\t * _.isDate('Mon April 23 2012');\n\t * // => false\n\t */\n\t function isDate(value) {\n\t return isObjectLike(value) && objectToString.call(value) == dateTag;\n\t }\n\t\n\t /**\n\t * Checks if `value` is likely a DOM element.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 0.1.0\n\t * @category Lang\n\t * @param {*} value The value to check.\n\t * @returns {boolean} Returns `true` if `value` is a DOM element,\n\t * else `false`.\n\t * @example\n\t *\n\t * _.isElement(document.body);\n\t * // => true\n\t *\n\t * _.isElement('');\n\t * // => false\n\t */\n\t function isElement(value) {\n\t return !!value && value.nodeType === 1 && isObjectLike(value) && !isPlainObject(value);\n\t }\n\t\n\t /**\n\t * Checks if `value` is an empty object, collection, map, or set.\n\t *\n\t * Objects are considered empty if they have no own enumerable string keyed\n\t * properties.\n\t *\n\t * Array-like values such as `arguments` objects, arrays, buffers, strings, or\n\t * jQuery-like collections are considered empty if they have a `length` of `0`.\n\t * Similarly, maps and sets are considered empty if they have a `size` of `0`.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 0.1.0\n\t * @category Lang\n\t * @param {*} value The value to check.\n\t * @returns {boolean} Returns `true` if `value` is empty, else `false`.\n\t * @example\n\t *\n\t * _.isEmpty(null);\n\t * // => true\n\t *\n\t * _.isEmpty(true);\n\t * // => true\n\t *\n\t * _.isEmpty(1);\n\t * // => true\n\t *\n\t * _.isEmpty([1, 2, 3]);\n\t * // => false\n\t *\n\t * _.isEmpty({ 'a': 1 });\n\t * // => false\n\t */\n\t function isEmpty(value) {\n\t if (isArrayLike(value) &&\n\t (isArray(value) || isString(value) || isFunction(value.splice) ||\n\t isArguments(value) || isBuffer(value))) {\n\t return !value.length;\n\t }\n\t if (isObjectLike(value)) {\n\t var tag = getTag(value);\n\t if (tag == mapTag || tag == setTag) {\n\t return !value.size;\n\t }\n\t }\n\t for (var key in value) {\n\t if (hasOwnProperty.call(value, key)) {\n\t return false;\n\t }\n\t }\n\t return !(nonEnumShadows && keys(value).length);\n\t }\n\t\n\t /**\n\t * Performs a deep comparison between two values to determine if they are\n\t * equivalent.\n\t *\n\t * **Note:** This method supports comparing arrays, array buffers, booleans,\n\t * date objects, error objects, maps, numbers, `Object` objects, regexes,\n\t * sets, strings, symbols, and typed arrays. `Object` objects are compared\n\t * by their own, not inherited, enumerable properties. Functions and DOM\n\t * nodes are **not** supported.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 0.1.0\n\t * @category Lang\n\t * @param {*} value The value to compare.\n\t * @param {*} other The other value to compare.\n\t * @returns {boolean} Returns `true` if the values are equivalent,\n\t * else `false`.\n\t * @example\n\t *\n\t * var object = { 'user': 'fred' };\n\t * var other = { 'user': 'fred' };\n\t *\n\t * _.isEqual(object, other);\n\t * // => true\n\t *\n\t * object === other;\n\t * // => false\n\t */\n\t function isEqual(value, other) {\n\t return baseIsEqual(value, other);\n\t }\n\t\n\t /**\n\t * This method is like `_.isEqual` except that it accepts `customizer` which\n\t * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n\t * are handled by the method instead. The `customizer` is invoked with up to\n\t * six arguments: (objValue, othValue [, index|key, object, other, stack]).\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 4.0.0\n\t * @category Lang\n\t * @param {*} value The value to compare.\n\t * @param {*} other The other value to compare.\n\t * @param {Function} [customizer] The function to customize comparisons.\n\t * @returns {boolean} Returns `true` if the values are equivalent,\n\t * else `false`.\n\t * @example\n\t *\n\t * function isGreeting(value) {\n\t * return /^h(?:i|ello)$/.test(value);\n\t * }\n\t *\n\t * function customizer(objValue, othValue) {\n\t * if (isGreeting(objValue) && isGreeting(othValue)) {\n\t * return true;\n\t * }\n\t * }\n\t *\n\t * var array = ['hello', 'goodbye'];\n\t * var other = ['hi', 'goodbye'];\n\t *\n\t * _.isEqualWith(array, other, customizer);\n\t * // => true\n\t */\n\t function isEqualWith(value, other, customizer) {\n\t customizer = typeof customizer == 'function' ? customizer : undefined;\n\t var result = customizer ? customizer(value, other) : undefined;\n\t return result === undefined ? baseIsEqual(value, other, customizer) : !!result;\n\t }\n\t\n\t /**\n\t * Checks if `value` is an `Error`, `EvalError`, `RangeError`, `ReferenceError`,\n\t * `SyntaxError`, `TypeError`, or `URIError` object.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 3.0.0\n\t * @category Lang\n\t * @param {*} value The value to check.\n\t * @returns {boolean} Returns `true` if `value` is an error object,\n\t * else `false`.\n\t * @example\n\t *\n\t * _.isError(new Error);\n\t * // => true\n\t *\n\t * _.isError(Error);\n\t * // => false\n\t */\n\t function isError(value) {\n\t if (!isObjectLike(value)) {\n\t return false;\n\t }\n\t return (objectToString.call(value) == errorTag) ||\n\t (typeof value.message == 'string' && typeof value.name == 'string');\n\t }\n\t\n\t /**\n\t * Checks if `value` is a finite primitive number.\n\t *\n\t * **Note:** This method is based on\n\t * [`Number.isFinite`](https://mdn.io/Number/isFinite).\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 0.1.0\n\t * @category Lang\n\t * @param {*} value The value to check.\n\t * @returns {boolean} Returns `true` if `value` is a finite number,\n\t * else `false`.\n\t * @example\n\t *\n\t * _.isFinite(3);\n\t * // => true\n\t *\n\t * _.isFinite(Number.MAX_VALUE);\n\t * // => true\n\t *\n\t * _.isFinite(3.14);\n\t * // => true\n\t *\n\t * _.isFinite(Infinity);\n\t * // => false\n\t */\n\t function isFinite(value) {\n\t return typeof value == 'number' && nativeIsFinite(value);\n\t }\n\t\n\t /**\n\t * Checks if `value` is classified as a `Function` object.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 0.1.0\n\t * @category Lang\n\t * @param {*} value The value to check.\n\t * @returns {boolean} Returns `true` if `value` is correctly classified,\n\t * else `false`.\n\t * @example\n\t *\n\t * _.isFunction(_);\n\t * // => true\n\t *\n\t * _.isFunction(/abc/);\n\t * // => false\n\t */\n\t function isFunction(value) {\n\t // The use of `Object#toString` avoids issues with the `typeof` operator\n\t // in Safari 8 which returns 'object' for typed array and weak map constructors,\n\t // and PhantomJS 1.9 which returns 'function' for `NodeList` instances.\n\t var tag = isObject(value) ? objectToString.call(value) : '';\n\t return tag == funcTag || tag == genTag;\n\t }\n\t\n\t /**\n\t * Checks if `value` is an integer.\n\t *\n\t * **Note:** This method is based on\n\t * [`Number.isInteger`](https://mdn.io/Number/isInteger).\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 4.0.0\n\t * @category Lang\n\t * @param {*} value The value to check.\n\t * @returns {boolean} Returns `true` if `value` is an integer, else `false`.\n\t * @example\n\t *\n\t * _.isInteger(3);\n\t * // => true\n\t *\n\t * _.isInteger(Number.MIN_VALUE);\n\t * // => false\n\t *\n\t * _.isInteger(Infinity);\n\t * // => false\n\t *\n\t * _.isInteger('3');\n\t * // => false\n\t */\n\t function isInteger(value) {\n\t return typeof value == 'number' && value == toInteger(value);\n\t }\n\t\n\t /**\n\t * Checks if `value` is a valid array-like length.\n\t *\n\t * **Note:** This function is loosely based on\n\t * [`ToLength`](http://ecma-international.org/ecma-262/6.0/#sec-tolength).\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 4.0.0\n\t * @category Lang\n\t * @param {*} value The value to check.\n\t * @returns {boolean} Returns `true` if `value` is a valid length,\n\t * else `false`.\n\t * @example\n\t *\n\t * _.isLength(3);\n\t * // => true\n\t *\n\t * _.isLength(Number.MIN_VALUE);\n\t * // => false\n\t *\n\t * _.isLength(Infinity);\n\t * // => false\n\t *\n\t * _.isLength('3');\n\t * // => false\n\t */\n\t function isLength(value) {\n\t return typeof value == 'number' &&\n\t value > -1 && value % 1 == 0 && value <= MAX_SAFE_INTEGER;\n\t }\n\t\n\t /**\n\t * Checks if `value` is the\n\t * [language type](http://www.ecma-international.org/ecma-262/6.0/#sec-ecmascript-language-types)\n\t * of `Object`. (e.g. arrays, functions, objects, regexes, `new Number(0)`, and `new String('')`)\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 0.1.0\n\t * @category Lang\n\t * @param {*} value The value to check.\n\t * @returns {boolean} Returns `true` if `value` is an object, else `false`.\n\t * @example\n\t *\n\t * _.isObject({});\n\t * // => true\n\t *\n\t * _.isObject([1, 2, 3]);\n\t * // => true\n\t *\n\t * _.isObject(_.noop);\n\t * // => true\n\t *\n\t * _.isObject(null);\n\t * // => false\n\t */\n\t function isObject(value) {\n\t var type = typeof value;\n\t return !!value && (type == 'object' || type == 'function');\n\t }\n\t\n\t /**\n\t * Checks if `value` is object-like. A value is object-like if it's not `null`\n\t * and has a `typeof` result of \"object\".\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 4.0.0\n\t * @category Lang\n\t * @param {*} value The value to check.\n\t * @returns {boolean} Returns `true` if `value` is object-like, else `false`.\n\t * @example\n\t *\n\t * _.isObjectLike({});\n\t * // => true\n\t *\n\t * _.isObjectLike([1, 2, 3]);\n\t * // => true\n\t *\n\t * _.isObjectLike(_.noop);\n\t * // => false\n\t *\n\t * _.isObjectLike(null);\n\t * // => false\n\t */\n\t function isObjectLike(value) {\n\t return !!value && typeof value == 'object';\n\t }\n\t\n\t /**\n\t * Checks if `value` is classified as a `Map` object.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 4.3.0\n\t * @category Lang\n\t * @param {*} value The value to check.\n\t * @returns {boolean} Returns `true` if `value` is correctly classified,\n\t * else `false`.\n\t * @example\n\t *\n\t * _.isMap(new Map);\n\t * // => true\n\t *\n\t * _.isMap(new WeakMap);\n\t * // => false\n\t */\n\t function isMap(value) {\n\t return isObjectLike(value) && getTag(value) == mapTag;\n\t }\n\t\n\t /**\n\t * Performs a partial deep comparison between `object` and `source` to\n\t * determine if `object` contains equivalent property values. This method is\n\t * equivalent to a `_.matches` function when `source` is partially applied.\n\t *\n\t * **Note:** This method supports comparing the same values as `_.isEqual`.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 3.0.0\n\t * @category Lang\n\t * @param {Object} object The object to inspect.\n\t * @param {Object} source The object of property values to match.\n\t * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n\t * @example\n\t *\n\t * var object = { 'user': 'fred', 'age': 40 };\n\t *\n\t * _.isMatch(object, { 'age': 40 });\n\t * // => true\n\t *\n\t * _.isMatch(object, { 'age': 36 });\n\t * // => false\n\t */\n\t function isMatch(object, source) {\n\t return object === source || baseIsMatch(object, source, getMatchData(source));\n\t }\n\t\n\t /**\n\t * This method is like `_.isMatch` except that it accepts `customizer` which\n\t * is invoked to compare values. If `customizer` returns `undefined`, comparisons\n\t * are handled by the method instead. The `customizer` is invoked with five\n\t * arguments: (objValue, srcValue, index|key, object, source).\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 4.0.0\n\t * @category Lang\n\t * @param {Object} object The object to inspect.\n\t * @param {Object} source The object of property values to match.\n\t * @param {Function} [customizer] The function to customize comparisons.\n\t * @returns {boolean} Returns `true` if `object` is a match, else `false`.\n\t * @example\n\t *\n\t * function isGreeting(value) {\n\t * return /^h(?:i|ello)$/.test(value);\n\t * }\n\t *\n\t * function customizer(objValue, srcValue) {\n\t * if (isGreeting(objValue) && isGreeting(srcValue)) {\n\t * return true;\n\t * }\n\t * }\n\t *\n\t * var object = { 'greeting': 'hello' };\n\t * var source = { 'greeting': 'hi' };\n\t *\n\t * _.isMatchWith(object, source, customizer);\n\t * // => true\n\t */\n\t function isMatchWith(object, source, customizer) {\n\t customizer = typeof customizer == 'function' ? customizer : undefined;\n\t return baseIsMatch(object, source, getMatchData(source), customizer);\n\t }\n\t\n\t /**\n\t * Checks if `value` is `NaN`.\n\t *\n\t * **Note:** This method is based on\n\t * [`Number.isNaN`](https://mdn.io/Number/isNaN) and is not the same as\n\t * global [`isNaN`](https://mdn.io/isNaN) which returns `true` for\n\t * `undefined` and other non-number values.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 0.1.0\n\t * @category Lang\n\t * @param {*} value The value to check.\n\t * @returns {boolean} Returns `true` if `value` is `NaN`, else `false`.\n\t * @example\n\t *\n\t * _.isNaN(NaN);\n\t * // => true\n\t *\n\t * _.isNaN(new Number(NaN));\n\t * // => true\n\t *\n\t * isNaN(undefined);\n\t * // => true\n\t *\n\t * _.isNaN(undefined);\n\t * // => false\n\t */\n\t function isNaN(value) {\n\t // An `NaN` primitive is the only value that is not equal to itself.\n\t // Perform the `toStringTag` check first to avoid errors with some\n\t // ActiveX objects in IE.\n\t return isNumber(value) && value != +value;\n\t }\n\t\n\t /**\n\t * Checks if `value` is a native function.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 3.0.0\n\t * @category Lang\n\t * @param {*} value The value to check.\n\t * @returns {boolean} Returns `true` if `value` is a native function,\n\t * else `false`.\n\t * @example\n\t *\n\t * _.isNative(Array.prototype.push);\n\t * // => true\n\t *\n\t * _.isNative(_);\n\t * // => false\n\t */\n\t function isNative(value) {\n\t if (!isObject(value)) {\n\t return false;\n\t }\n\t var pattern = (isFunction(value) || isHostObject(value)) ? reIsNative : reIsHostCtor;\n\t return pattern.test(toSource(value));\n\t }\n\t\n\t /**\n\t * Checks if `value` is `null`.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 0.1.0\n\t * @category Lang\n\t * @param {*} value The value to check.\n\t * @returns {boolean} Returns `true` if `value` is `null`, else `false`.\n\t * @example\n\t *\n\t * _.isNull(null);\n\t * // => true\n\t *\n\t * _.isNull(void 0);\n\t * // => false\n\t */\n\t function isNull(value) {\n\t return value === null;\n\t }\n\t\n\t /**\n\t * Checks if `value` is `null` or `undefined`.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 4.0.0\n\t * @category Lang\n\t * @param {*} value The value to check.\n\t * @returns {boolean} Returns `true` if `value` is nullish, else `false`.\n\t * @example\n\t *\n\t * _.isNil(null);\n\t * // => true\n\t *\n\t * _.isNil(void 0);\n\t * // => true\n\t *\n\t * _.isNil(NaN);\n\t * // => false\n\t */\n\t function isNil(value) {\n\t return value == null;\n\t }\n\t\n\t /**\n\t * Checks if `value` is classified as a `Number` primitive or object.\n\t *\n\t * **Note:** To exclude `Infinity`, `-Infinity`, and `NaN`, which are\n\t * classified as numbers, use the `_.isFinite` method.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 0.1.0\n\t * @category Lang\n\t * @param {*} value The value to check.\n\t * @returns {boolean} Returns `true` if `value` is correctly classified,\n\t * else `false`.\n\t * @example\n\t *\n\t * _.isNumber(3);\n\t * // => true\n\t *\n\t * _.isNumber(Number.MIN_VALUE);\n\t * // => true\n\t *\n\t * _.isNumber(Infinity);\n\t * // => true\n\t *\n\t * _.isNumber('3');\n\t * // => false\n\t */\n\t function isNumber(value) {\n\t return typeof value == 'number' ||\n\t (isObjectLike(value) && objectToString.call(value) == numberTag);\n\t }\n\t\n\t /**\n\t * Checks if `value` is a plain object, that is, an object created by the\n\t * `Object` constructor or one with a `[[Prototype]]` of `null`.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 0.8.0\n\t * @category Lang\n\t * @param {*} value The value to check.\n\t * @returns {boolean} Returns `true` if `value` is a plain object,\n\t * else `false`.\n\t * @example\n\t *\n\t * function Foo() {\n\t * this.a = 1;\n\t * }\n\t *\n\t * _.isPlainObject(new Foo);\n\t * // => false\n\t *\n\t * _.isPlainObject([1, 2, 3]);\n\t * // => false\n\t *\n\t * _.isPlainObject({ 'x': 0, 'y': 0 });\n\t * // => true\n\t *\n\t * _.isPlainObject(Object.create(null));\n\t * // => true\n\t */\n\t function isPlainObject(value) {\n\t if (!isObjectLike(value) ||\n\t objectToString.call(value) != objectTag || isHostObject(value)) {\n\t return false;\n\t }\n\t var proto = getPrototype(value);\n\t if (proto === null) {\n\t return true;\n\t }\n\t var Ctor = hasOwnProperty.call(proto, 'constructor') && proto.constructor;\n\t return (typeof Ctor == 'function' &&\n\t Ctor instanceof Ctor && funcToString.call(Ctor) == objectCtorString);\n\t }\n\t\n\t /**\n\t * Checks if `value` is classified as a `RegExp` object.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 0.1.0\n\t * @category Lang\n\t * @param {*} value The value to check.\n\t * @returns {boolean} Returns `true` if `value` is correctly classified,\n\t * else `false`.\n\t * @example\n\t *\n\t * _.isRegExp(/abc/);\n\t * // => true\n\t *\n\t * _.isRegExp('/abc/');\n\t * // => false\n\t */\n\t function isRegExp(value) {\n\t return isObject(value) && objectToString.call(value) == regexpTag;\n\t }\n\t\n\t /**\n\t * Checks if `value` is a safe integer. An integer is safe if it's an IEEE-754\n\t * double precision number which isn't the result of a rounded unsafe integer.\n\t *\n\t * **Note:** This method is based on\n\t * [`Number.isSafeInteger`](https://mdn.io/Number/isSafeInteger).\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 4.0.0\n\t * @category Lang\n\t * @param {*} value The value to check.\n\t * @returns {boolean} Returns `true` if `value` is a safe integer,\n\t * else `false`.\n\t * @example\n\t *\n\t * _.isSafeInteger(3);\n\t * // => true\n\t *\n\t * _.isSafeInteger(Number.MIN_VALUE);\n\t * // => false\n\t *\n\t * _.isSafeInteger(Infinity);\n\t * // => false\n\t *\n\t * _.isSafeInteger('3');\n\t * // => false\n\t */\n\t function isSafeInteger(value) {\n\t return isInteger(value) && value >= -MAX_SAFE_INTEGER && value <= MAX_SAFE_INTEGER;\n\t }\n\t\n\t /**\n\t * Checks if `value` is classified as a `Set` object.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 4.3.0\n\t * @category Lang\n\t * @param {*} value The value to check.\n\t * @returns {boolean} Returns `true` if `value` is correctly classified,\n\t * else `false`.\n\t * @example\n\t *\n\t * _.isSet(new Set);\n\t * // => true\n\t *\n\t * _.isSet(new WeakSet);\n\t * // => false\n\t */\n\t function isSet(value) {\n\t return isObjectLike(value) && getTag(value) == setTag;\n\t }\n\t\n\t /**\n\t * Checks if `value` is classified as a `String` primitive or object.\n\t *\n\t * @static\n\t * @since 0.1.0\n\t * @memberOf _\n\t * @category Lang\n\t * @param {*} value The value to check.\n\t * @returns {boolean} Returns `true` if `value` is correctly classified,\n\t * else `false`.\n\t * @example\n\t *\n\t * _.isString('abc');\n\t * // => true\n\t *\n\t * _.isString(1);\n\t * // => false\n\t */\n\t function isString(value) {\n\t return typeof value == 'string' ||\n\t (!isArray(value) && isObjectLike(value) && objectToString.call(value) == stringTag);\n\t }\n\t\n\t /**\n\t * Checks if `value` is classified as a `Symbol` primitive or object.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 4.0.0\n\t * @category Lang\n\t * @param {*} value The value to check.\n\t * @returns {boolean} Returns `true` if `value` is correctly classified,\n\t * else `false`.\n\t * @example\n\t *\n\t * _.isSymbol(Symbol.iterator);\n\t * // => true\n\t *\n\t * _.isSymbol('abc');\n\t * // => false\n\t */\n\t function isSymbol(value) {\n\t return typeof value == 'symbol' ||\n\t (isObjectLike(value) && objectToString.call(value) == symbolTag);\n\t }\n\t\n\t /**\n\t * Checks if `value` is classified as a typed array.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 3.0.0\n\t * @category Lang\n\t * @param {*} value The value to check.\n\t * @returns {boolean} Returns `true` if `value` is correctly classified,\n\t * else `false`.\n\t * @example\n\t *\n\t * _.isTypedArray(new Uint8Array);\n\t * // => true\n\t *\n\t * _.isTypedArray([]);\n\t * // => false\n\t */\n\t function isTypedArray(value) {\n\t return isObjectLike(value) &&\n\t isLength(value.length) && !!typedArrayTags[objectToString.call(value)];\n\t }\n\t\n\t /**\n\t * Checks if `value` is `undefined`.\n\t *\n\t * @static\n\t * @since 0.1.0\n\t * @memberOf _\n\t * @category Lang\n\t * @param {*} value The value to check.\n\t * @returns {boolean} Returns `true` if `value` is `undefined`, else `false`.\n\t * @example\n\t *\n\t * _.isUndefined(void 0);\n\t * // => true\n\t *\n\t * _.isUndefined(null);\n\t * // => false\n\t */\n\t function isUndefined(value) {\n\t return value === undefined;\n\t }\n\t\n\t /**\n\t * Checks if `value` is classified as a `WeakMap` object.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 4.3.0\n\t * @category Lang\n\t * @param {*} value The value to check.\n\t * @returns {boolean} Returns `true` if `value` is correctly classified,\n\t * else `false`.\n\t * @example\n\t *\n\t * _.isWeakMap(new WeakMap);\n\t * // => true\n\t *\n\t * _.isWeakMap(new Map);\n\t * // => false\n\t */\n\t function isWeakMap(value) {\n\t return isObjectLike(value) && getTag(value) == weakMapTag;\n\t }\n\t\n\t /**\n\t * Checks if `value` is classified as a `WeakSet` object.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 4.3.0\n\t * @category Lang\n\t * @param {*} value The value to check.\n\t * @returns {boolean} Returns `true` if `value` is correctly classified,\n\t * else `false`.\n\t * @example\n\t *\n\t * _.isWeakSet(new WeakSet);\n\t * // => true\n\t *\n\t * _.isWeakSet(new Set);\n\t * // => false\n\t */\n\t function isWeakSet(value) {\n\t return isObjectLike(value) && objectToString.call(value) == weakSetTag;\n\t }\n\t\n\t /**\n\t * Checks if `value` is less than `other`.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 3.9.0\n\t * @category Lang\n\t * @param {*} value The value to compare.\n\t * @param {*} other The other value to compare.\n\t * @returns {boolean} Returns `true` if `value` is less than `other`,\n\t * else `false`.\n\t * @example\n\t *\n\t * _.lt(1, 3);\n\t * // => true\n\t *\n\t * _.lt(3, 3);\n\t * // => false\n\t *\n\t * _.lt(3, 1);\n\t * // => false\n\t */\n\t function lt(value, other) {\n\t return value < other;\n\t }\n\t\n\t /**\n\t * Checks if `value` is less than or equal to `other`.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 3.9.0\n\t * @category Lang\n\t * @param {*} value The value to compare.\n\t * @param {*} other The other value to compare.\n\t * @returns {boolean} Returns `true` if `value` is less than or equal to\n\t * `other`, else `false`.\n\t * @example\n\t *\n\t * _.lte(1, 3);\n\t * // => true\n\t *\n\t * _.lte(3, 3);\n\t * // => true\n\t *\n\t * _.lte(3, 1);\n\t * // => false\n\t */\n\t function lte(value, other) {\n\t return value <= other;\n\t }\n\t\n\t /**\n\t * Converts `value` to an array.\n\t *\n\t * @static\n\t * @since 0.1.0\n\t * @memberOf _\n\t * @category Lang\n\t * @param {*} value The value to convert.\n\t * @returns {Array} Returns the converted array.\n\t * @example\n\t *\n\t * _.toArray({ 'a': 1, 'b': 2 });\n\t * // => [1, 2]\n\t *\n\t * _.toArray('abc');\n\t * // => ['a', 'b', 'c']\n\t *\n\t * _.toArray(1);\n\t * // => []\n\t *\n\t * _.toArray(null);\n\t * // => []\n\t */\n\t function toArray(value) {\n\t if (!value) {\n\t return [];\n\t }\n\t if (isArrayLike(value)) {\n\t return isString(value) ? stringToArray(value) : copyArray(value);\n\t }\n\t if (iteratorSymbol && value[iteratorSymbol]) {\n\t return iteratorToArray(value[iteratorSymbol]());\n\t }\n\t var tag = getTag(value),\n\t func = tag == mapTag ? mapToArray : (tag == setTag ? setToArray : values);\n\t\n\t return func(value);\n\t }\n\t\n\t /**\n\t * Converts `value` to an integer.\n\t *\n\t * **Note:** This function is loosely based on\n\t * [`ToInteger`](http://www.ecma-international.org/ecma-262/6.0/#sec-tointeger).\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 4.0.0\n\t * @category Lang\n\t * @param {*} value The value to convert.\n\t * @returns {number} Returns the converted integer.\n\t * @example\n\t *\n\t * _.toInteger(3);\n\t * // => 3\n\t *\n\t * _.toInteger(Number.MIN_VALUE);\n\t * // => 0\n\t *\n\t * _.toInteger(Infinity);\n\t * // => 1.7976931348623157e+308\n\t *\n\t * _.toInteger('3');\n\t * // => 3\n\t */\n\t function toInteger(value) {\n\t if (!value) {\n\t return value === 0 ? value : 0;\n\t }\n\t value = toNumber(value);\n\t if (value === INFINITY || value === -INFINITY) {\n\t var sign = (value < 0 ? -1 : 1);\n\t return sign * MAX_INTEGER;\n\t }\n\t var remainder = value % 1;\n\t return value === value ? (remainder ? value - remainder : value) : 0;\n\t }\n\t\n\t /**\n\t * Converts `value` to an integer suitable for use as the length of an\n\t * array-like object.\n\t *\n\t * **Note:** This method is based on\n\t * [`ToLength`](http://ecma-international.org/ecma-262/6.0/#sec-tolength).\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 4.0.0\n\t * @category Lang\n\t * @param {*} value The value to convert.\n\t * @returns {number} Returns the converted integer.\n\t * @example\n\t *\n\t * _.toLength(3);\n\t * // => 3\n\t *\n\t * _.toLength(Number.MIN_VALUE);\n\t * // => 0\n\t *\n\t * _.toLength(Infinity);\n\t * // => 4294967295\n\t *\n\t * _.toLength('3');\n\t * // => 3\n\t */\n\t function toLength(value) {\n\t return value ? baseClamp(toInteger(value), 0, MAX_ARRAY_LENGTH) : 0;\n\t }\n\t\n\t /**\n\t * Converts `value` to a number.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 4.0.0\n\t * @category Lang\n\t * @param {*} value The value to process.\n\t * @returns {number} Returns the number.\n\t * @example\n\t *\n\t * _.toNumber(3);\n\t * // => 3\n\t *\n\t * _.toNumber(Number.MIN_VALUE);\n\t * // => 5e-324\n\t *\n\t * _.toNumber(Infinity);\n\t * // => Infinity\n\t *\n\t * _.toNumber('3');\n\t * // => 3\n\t */\n\t function toNumber(value) {\n\t if (typeof value == 'number') {\n\t return value;\n\t }\n\t if (isSymbol(value)) {\n\t return NAN;\n\t }\n\t if (isObject(value)) {\n\t var other = isFunction(value.valueOf) ? value.valueOf() : value;\n\t value = isObject(other) ? (other + '') : other;\n\t }\n\t if (typeof value != 'string') {\n\t return value === 0 ? value : +value;\n\t }\n\t value = value.replace(reTrim, '');\n\t var isBinary = reIsBinary.test(value);\n\t return (isBinary || reIsOctal.test(value))\n\t ? freeParseInt(value.slice(2), isBinary ? 2 : 8)\n\t : (reIsBadHex.test(value) ? NAN : +value);\n\t }\n\t\n\t /**\n\t * Converts `value` to a plain object flattening inherited enumerable string\n\t * keyed properties of `value` to own properties of the plain object.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 3.0.0\n\t * @category Lang\n\t * @param {*} value The value to convert.\n\t * @returns {Object} Returns the converted plain object.\n\t * @example\n\t *\n\t * function Foo() {\n\t * this.b = 2;\n\t * }\n\t *\n\t * Foo.prototype.c = 3;\n\t *\n\t * _.assign({ 'a': 1 }, new Foo);\n\t * // => { 'a': 1, 'b': 2 }\n\t *\n\t * _.assign({ 'a': 1 }, _.toPlainObject(new Foo));\n\t * // => { 'a': 1, 'b': 2, 'c': 3 }\n\t */\n\t function toPlainObject(value) {\n\t return copyObject(value, keysIn(value));\n\t }\n\t\n\t /**\n\t * Converts `value` to a safe integer. A safe integer can be compared and\n\t * represented correctly.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 4.0.0\n\t * @category Lang\n\t * @param {*} value The value to convert.\n\t * @returns {number} Returns the converted integer.\n\t * @example\n\t *\n\t * _.toSafeInteger(3);\n\t * // => 3\n\t *\n\t * _.toSafeInteger(Number.MIN_VALUE);\n\t * // => 0\n\t *\n\t * _.toSafeInteger(Infinity);\n\t * // => 9007199254740991\n\t *\n\t * _.toSafeInteger('3');\n\t * // => 3\n\t */\n\t function toSafeInteger(value) {\n\t return baseClamp(toInteger(value), -MAX_SAFE_INTEGER, MAX_SAFE_INTEGER);\n\t }\n\t\n\t /**\n\t * Converts `value` to a string if it's not one. An empty string is returned\n\t * for `null` and `undefined` values. The sign of `-0` is preserved.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 4.0.0\n\t * @category Lang\n\t * @param {*} value The value to process.\n\t * @returns {string} Returns the string.\n\t * @example\n\t *\n\t * _.toString(null);\n\t * // => ''\n\t *\n\t * _.toString(-0);\n\t * // => '-0'\n\t *\n\t * _.toString([1, 2, 3]);\n\t * // => '1,2,3'\n\t */\n\t function toString(value) {\n\t // Exit early for strings to avoid a performance hit in some environments.\n\t if (typeof value == 'string') {\n\t return value;\n\t }\n\t if (value == null) {\n\t return '';\n\t }\n\t if (isSymbol(value)) {\n\t return symbolToString ? symbolToString.call(value) : '';\n\t }\n\t var result = (value + '');\n\t return (result == '0' && (1 / value) == -INFINITY) ? '-0' : result;\n\t }\n\t\n\t /*------------------------------------------------------------------------*/\n\t\n\t /**\n\t * Assigns own enumerable string keyed properties of source objects to the\n\t * destination object. Source objects are applied from left to right.\n\t * Subsequent sources overwrite property assignments of previous sources.\n\t *\n\t * **Note:** This method mutates `object` and is loosely based on\n\t * [`Object.assign`](https://mdn.io/Object/assign).\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 0.10.0\n\t * @category Object\n\t * @param {Object} object The destination object.\n\t * @param {...Object} [sources] The source objects.\n\t * @returns {Object} Returns `object`.\n\t * @example\n\t *\n\t * function Foo() {\n\t * this.c = 3;\n\t * }\n\t *\n\t * function Bar() {\n\t * this.e = 5;\n\t * }\n\t *\n\t * Foo.prototype.d = 4;\n\t * Bar.prototype.f = 6;\n\t *\n\t * _.assign({ 'a': 1 }, new Foo, new Bar);\n\t * // => { 'a': 1, 'c': 3, 'e': 5 }\n\t */\n\t var assign = createAssigner(function(object, source) {\n\t if (nonEnumShadows || isPrototype(source) || isArrayLike(source)) {\n\t copyObject(source, keys(source), object);\n\t return;\n\t }\n\t for (var key in source) {\n\t if (hasOwnProperty.call(source, key)) {\n\t assignValue(object, key, source[key]);\n\t }\n\t }\n\t });\n\t\n\t /**\n\t * This method is like `_.assign` except that it iterates over own and\n\t * inherited source properties.\n\t *\n\t * **Note:** This method mutates `object`.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 4.0.0\n\t * @alias extend\n\t * @category Object\n\t * @param {Object} object The destination object.\n\t * @param {...Object} [sources] The source objects.\n\t * @returns {Object} Returns `object`.\n\t * @example\n\t *\n\t * function Foo() {\n\t * this.b = 2;\n\t * }\n\t *\n\t * function Bar() {\n\t * this.d = 4;\n\t * }\n\t *\n\t * Foo.prototype.c = 3;\n\t * Bar.prototype.e = 5;\n\t *\n\t * _.assignIn({ 'a': 1 }, new Foo, new Bar);\n\t * // => { 'a': 1, 'b': 2, 'c': 3, 'd': 4, 'e': 5 }\n\t */\n\t var assignIn = createAssigner(function(object, source) {\n\t if (nonEnumShadows || isPrototype(source) || isArrayLike(source)) {\n\t copyObject(source, keysIn(source), object);\n\t return;\n\t }\n\t for (var key in source) {\n\t assignValue(object, key, source[key]);\n\t }\n\t });\n\t\n\t /**\n\t * This method is like `_.assignIn` except that it accepts `customizer`\n\t * which is invoked to produce the assigned values. If `customizer` returns\n\t * `undefined`, assignment is handled by the method instead. The `customizer`\n\t * is invoked with five arguments: (objValue, srcValue, key, object, source).\n\t *\n\t * **Note:** This method mutates `object`.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 4.0.0\n\t * @alias extendWith\n\t * @category Object\n\t * @param {Object} object The destination object.\n\t * @param {...Object} sources The source objects.\n\t * @param {Function} [customizer] The function to customize assigned values.\n\t * @returns {Object} Returns `object`.\n\t * @example\n\t *\n\t * function customizer(objValue, srcValue) {\n\t * return _.isUndefined(objValue) ? srcValue : objValue;\n\t * }\n\t *\n\t * var defaults = _.partialRight(_.assignInWith, customizer);\n\t *\n\t * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n\t * // => { 'a': 1, 'b': 2 }\n\t */\n\t var assignInWith = createAssigner(function(object, source, srcIndex, customizer) {\n\t copyObjectWith(source, keysIn(source), object, customizer);\n\t });\n\t\n\t /**\n\t * This method is like `_.assign` except that it accepts `customizer`\n\t * which is invoked to produce the assigned values. If `customizer` returns\n\t * `undefined`, assignment is handled by the method instead. The `customizer`\n\t * is invoked with five arguments: (objValue, srcValue, key, object, source).\n\t *\n\t * **Note:** This method mutates `object`.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 4.0.0\n\t * @category Object\n\t * @param {Object} object The destination object.\n\t * @param {...Object} sources The source objects.\n\t * @param {Function} [customizer] The function to customize assigned values.\n\t * @returns {Object} Returns `object`.\n\t * @example\n\t *\n\t * function customizer(objValue, srcValue) {\n\t * return _.isUndefined(objValue) ? srcValue : objValue;\n\t * }\n\t *\n\t * var defaults = _.partialRight(_.assignWith, customizer);\n\t *\n\t * defaults({ 'a': 1 }, { 'b': 2 }, { 'a': 3 });\n\t * // => { 'a': 1, 'b': 2 }\n\t */\n\t var assignWith = createAssigner(function(object, source, srcIndex, customizer) {\n\t copyObjectWith(source, keys(source), object, customizer);\n\t });\n\t\n\t /**\n\t * Creates an array of values corresponding to `paths` of `object`.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 1.0.0\n\t * @category Object\n\t * @param {Object} object The object to iterate over.\n\t * @param {...(string|string[])} [paths] The property paths of elements to pick,\n\t * specified individually or in arrays.\n\t * @returns {Array} Returns the new array of picked elements.\n\t * @example\n\t *\n\t * var object = { 'a': [{ 'b': { 'c': 3 } }, 4] };\n\t *\n\t * _.at(object, ['a[0].b.c', 'a[1]']);\n\t * // => [3, 4]\n\t *\n\t * _.at(['a', 'b', 'c'], 0, 2);\n\t * // => ['a', 'c']\n\t */\n\t var at = rest(function(object, paths) {\n\t return baseAt(object, baseFlatten(paths, 1));\n\t });\n\t\n\t /**\n\t * Creates an object that inherits from the `prototype` object. If a\n\t * `properties` object is given, its own enumerable string keyed properties\n\t * are assigned to the created object.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 2.3.0\n\t * @category Object\n\t * @param {Object} prototype The object to inherit from.\n\t * @param {Object} [properties] The properties to assign to the object.\n\t * @returns {Object} Returns the new object.\n\t * @example\n\t *\n\t * function Shape() {\n\t * this.x = 0;\n\t * this.y = 0;\n\t * }\n\t *\n\t * function Circle() {\n\t * Shape.call(this);\n\t * }\n\t *\n\t * Circle.prototype = _.create(Shape.prototype, {\n\t * 'constructor': Circle\n\t * });\n\t *\n\t * var circle = new Circle;\n\t * circle instanceof Circle;\n\t * // => true\n\t *\n\t * circle instanceof Shape;\n\t * // => true\n\t */\n\t function create(prototype, properties) {\n\t var result = baseCreate(prototype);\n\t return properties ? baseAssign(result, properties) : result;\n\t }\n\t\n\t /**\n\t * Assigns own and inherited enumerable string keyed properties of source\n\t * objects to the destination object for all destination properties that\n\t * resolve to `undefined`. Source objects are applied from left to right.\n\t * Once a property is set, additional values of the same property are ignored.\n\t *\n\t * **Note:** This method mutates `object`.\n\t *\n\t * @static\n\t * @since 0.1.0\n\t * @memberOf _\n\t * @category Object\n\t * @param {Object} object The destination object.\n\t * @param {...Object} [sources] The source objects.\n\t * @returns {Object} Returns `object`.\n\t * @example\n\t *\n\t * _.defaults({ 'user': 'barney' }, { 'age': 36 }, { 'user': 'fred' });\n\t * // => { 'user': 'barney', 'age': 36 }\n\t */\n\t var defaults = rest(function(args) {\n\t args.push(undefined, assignInDefaults);\n\t return apply(assignInWith, undefined, args);\n\t });\n\t\n\t /**\n\t * This method is like `_.defaults` except that it recursively assigns\n\t * default properties.\n\t *\n\t * **Note:** This method mutates `object`.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 3.10.0\n\t * @category Object\n\t * @param {Object} object The destination object.\n\t * @param {...Object} [sources] The source objects.\n\t * @returns {Object} Returns `object`.\n\t * @example\n\t *\n\t * _.defaultsDeep({ 'user': { 'name': 'barney' } }, { 'user': { 'name': 'fred', 'age': 36 } });\n\t * // => { 'user': { 'name': 'barney', 'age': 36 } }\n\t *\n\t */\n\t var defaultsDeep = rest(function(args) {\n\t args.push(undefined, mergeDefaults);\n\t return apply(mergeWith, undefined, args);\n\t });\n\t\n\t /**\n\t * This method is like `_.find` except that it returns the key of the first\n\t * element `predicate` returns truthy for instead of the element itself.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 1.1.0\n\t * @category Object\n\t * @param {Object} object The object to search.\n\t * @param {Array|Function|Object|string} [predicate=_.identity]\n\t * The function invoked per iteration.\n\t * @returns {string|undefined} Returns the key of the matched element,\n\t * else `undefined`.\n\t * @example\n\t *\n\t * var users = {\n\t * 'barney': { 'age': 36, 'active': true },\n\t * 'fred': { 'age': 40, 'active': false },\n\t * 'pebbles': { 'age': 1, 'active': true }\n\t * };\n\t *\n\t * _.findKey(users, function(o) { return o.age < 40; });\n\t * // => 'barney' (iteration order is not guaranteed)\n\t *\n\t * // The `_.matches` iteratee shorthand.\n\t * _.findKey(users, { 'age': 1, 'active': true });\n\t * // => 'pebbles'\n\t *\n\t * // The `_.matchesProperty` iteratee shorthand.\n\t * _.findKey(users, ['active', false]);\n\t * // => 'fred'\n\t *\n\t * // The `_.property` iteratee shorthand.\n\t * _.findKey(users, 'active');\n\t * // => 'barney'\n\t */\n\t function findKey(object, predicate) {\n\t return baseFind(object, getIteratee(predicate, 3), baseForOwn, true);\n\t }\n\t\n\t /**\n\t * This method is like `_.findKey` except that it iterates over elements of\n\t * a collection in the opposite order.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 2.0.0\n\t * @category Object\n\t * @param {Object} object The object to search.\n\t * @param {Array|Function|Object|string} [predicate=_.identity]\n\t * The function invoked per iteration.\n\t * @returns {string|undefined} Returns the key of the matched element,\n\t * else `undefined`.\n\t * @example\n\t *\n\t * var users = {\n\t * 'barney': { 'age': 36, 'active': true },\n\t * 'fred': { 'age': 40, 'active': false },\n\t * 'pebbles': { 'age': 1, 'active': true }\n\t * };\n\t *\n\t * _.findLastKey(users, function(o) { return o.age < 40; });\n\t * // => returns 'pebbles' assuming `_.findKey` returns 'barney'\n\t *\n\t * // The `_.matches` iteratee shorthand.\n\t * _.findLastKey(users, { 'age': 36, 'active': true });\n\t * // => 'barney'\n\t *\n\t * // The `_.matchesProperty` iteratee shorthand.\n\t * _.findLastKey(users, ['active', false]);\n\t * // => 'fred'\n\t *\n\t * // The `_.property` iteratee shorthand.\n\t * _.findLastKey(users, 'active');\n\t * // => 'pebbles'\n\t */\n\t function findLastKey(object, predicate) {\n\t return baseFind(object, getIteratee(predicate, 3), baseForOwnRight, true);\n\t }\n\t\n\t /**\n\t * Iterates over own and inherited enumerable string keyed properties of an\n\t * object invoking `iteratee` for each property. The iteratee is invoked with\n\t * three arguments: (value, key, object). Iteratee functions may exit iteration\n\t * early by explicitly returning `false`.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 0.3.0\n\t * @category Object\n\t * @param {Object} object The object to iterate over.\n\t * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t * @returns {Object} Returns `object`.\n\t * @example\n\t *\n\t * function Foo() {\n\t * this.a = 1;\n\t * this.b = 2;\n\t * }\n\t *\n\t * Foo.prototype.c = 3;\n\t *\n\t * _.forIn(new Foo, function(value, key) {\n\t * console.log(key);\n\t * });\n\t * // => Logs 'a', 'b', then 'c' (iteration order is not guaranteed).\n\t */\n\t function forIn(object, iteratee) {\n\t return object == null\n\t ? object\n\t : baseFor(object, getIteratee(iteratee), keysIn);\n\t }\n\t\n\t /**\n\t * This method is like `_.forIn` except that it iterates over properties of\n\t * `object` in the opposite order.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 2.0.0\n\t * @category Object\n\t * @param {Object} object The object to iterate over.\n\t * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t * @returns {Object} Returns `object`.\n\t * @example\n\t *\n\t * function Foo() {\n\t * this.a = 1;\n\t * this.b = 2;\n\t * }\n\t *\n\t * Foo.prototype.c = 3;\n\t *\n\t * _.forInRight(new Foo, function(value, key) {\n\t * console.log(key);\n\t * });\n\t * // => Logs 'c', 'b', then 'a' assuming `_.forIn` logs 'a', 'b', then 'c'.\n\t */\n\t function forInRight(object, iteratee) {\n\t return object == null\n\t ? object\n\t : baseForRight(object, getIteratee(iteratee), keysIn);\n\t }\n\t\n\t /**\n\t * Iterates over own enumerable string keyed properties of an object invoking\n\t * `iteratee` for each property. The iteratee is invoked with three arguments:\n\t * (value, key, object). Iteratee functions may exit iteration early by\n\t * explicitly returning `false`.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 0.3.0\n\t * @category Object\n\t * @param {Object} object The object to iterate over.\n\t * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t * @returns {Object} Returns `object`.\n\t * @example\n\t *\n\t * function Foo() {\n\t * this.a = 1;\n\t * this.b = 2;\n\t * }\n\t *\n\t * Foo.prototype.c = 3;\n\t *\n\t * _.forOwn(new Foo, function(value, key) {\n\t * console.log(key);\n\t * });\n\t * // => Logs 'a' then 'b' (iteration order is not guaranteed).\n\t */\n\t function forOwn(object, iteratee) {\n\t return object && baseForOwn(object, getIteratee(iteratee));\n\t }\n\t\n\t /**\n\t * This method is like `_.forOwn` except that it iterates over properties of\n\t * `object` in the opposite order.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 2.0.0\n\t * @category Object\n\t * @param {Object} object The object to iterate over.\n\t * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t * @returns {Object} Returns `object`.\n\t * @example\n\t *\n\t * function Foo() {\n\t * this.a = 1;\n\t * this.b = 2;\n\t * }\n\t *\n\t * Foo.prototype.c = 3;\n\t *\n\t * _.forOwnRight(new Foo, function(value, key) {\n\t * console.log(key);\n\t * });\n\t * // => Logs 'b' then 'a' assuming `_.forOwn` logs 'a' then 'b'.\n\t */\n\t function forOwnRight(object, iteratee) {\n\t return object && baseForOwnRight(object, getIteratee(iteratee));\n\t }\n\t\n\t /**\n\t * Creates an array of function property names from own enumerable properties\n\t * of `object`.\n\t *\n\t * @static\n\t * @since 0.1.0\n\t * @memberOf _\n\t * @category Object\n\t * @param {Object} object The object to inspect.\n\t * @returns {Array} Returns the new array of property names.\n\t * @example\n\t *\n\t * function Foo() {\n\t * this.a = _.constant('a');\n\t * this.b = _.constant('b');\n\t * }\n\t *\n\t * Foo.prototype.c = _.constant('c');\n\t *\n\t * _.functions(new Foo);\n\t * // => ['a', 'b']\n\t */\n\t function functions(object) {\n\t return object == null ? [] : baseFunctions(object, keys(object));\n\t }\n\t\n\t /**\n\t * Creates an array of function property names from own and inherited\n\t * enumerable properties of `object`.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 4.0.0\n\t * @category Object\n\t * @param {Object} object The object to inspect.\n\t * @returns {Array} Returns the new array of property names.\n\t * @example\n\t *\n\t * function Foo() {\n\t * this.a = _.constant('a');\n\t * this.b = _.constant('b');\n\t * }\n\t *\n\t * Foo.prototype.c = _.constant('c');\n\t *\n\t * _.functionsIn(new Foo);\n\t * // => ['a', 'b', 'c']\n\t */\n\t function functionsIn(object) {\n\t return object == null ? [] : baseFunctions(object, keysIn(object));\n\t }\n\t\n\t /**\n\t * Gets the value at `path` of `object`. If the resolved value is\n\t * `undefined`, the `defaultValue` is used in its place.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 3.7.0\n\t * @category Object\n\t * @param {Object} object The object to query.\n\t * @param {Array|string} path The path of the property to get.\n\t * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n\t * @returns {*} Returns the resolved value.\n\t * @example\n\t *\n\t * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n\t *\n\t * _.get(object, 'a[0].b.c');\n\t * // => 3\n\t *\n\t * _.get(object, ['a', '0', 'b', 'c']);\n\t * // => 3\n\t *\n\t * _.get(object, 'a.b.c', 'default');\n\t * // => 'default'\n\t */\n\t function get(object, path, defaultValue) {\n\t var result = object == null ? undefined : baseGet(object, path);\n\t return result === undefined ? defaultValue : result;\n\t }\n\t\n\t /**\n\t * Checks if `path` is a direct property of `object`.\n\t *\n\t * @static\n\t * @since 0.1.0\n\t * @memberOf _\n\t * @category Object\n\t * @param {Object} object The object to query.\n\t * @param {Array|string} path The path to check.\n\t * @returns {boolean} Returns `true` if `path` exists, else `false`.\n\t * @example\n\t *\n\t * var object = { 'a': { 'b': 2 } };\n\t * var other = _.create({ 'a': _.create({ 'b': 2 }) });\n\t *\n\t * _.has(object, 'a');\n\t * // => true\n\t *\n\t * _.has(object, 'a.b');\n\t * // => true\n\t *\n\t * _.has(object, ['a', 'b']);\n\t * // => true\n\t *\n\t * _.has(other, 'a');\n\t * // => false\n\t */\n\t function has(object, path) {\n\t return object != null && hasPath(object, path, baseHas);\n\t }\n\t\n\t /**\n\t * Checks if `path` is a direct or inherited property of `object`.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 4.0.0\n\t * @category Object\n\t * @param {Object} object The object to query.\n\t * @param {Array|string} path The path to check.\n\t * @returns {boolean} Returns `true` if `path` exists, else `false`.\n\t * @example\n\t *\n\t * var object = _.create({ 'a': _.create({ 'b': 2 }) });\n\t *\n\t * _.hasIn(object, 'a');\n\t * // => true\n\t *\n\t * _.hasIn(object, 'a.b');\n\t * // => true\n\t *\n\t * _.hasIn(object, ['a', 'b']);\n\t * // => true\n\t *\n\t * _.hasIn(object, 'b');\n\t * // => false\n\t */\n\t function hasIn(object, path) {\n\t return object != null && hasPath(object, path, baseHasIn);\n\t }\n\t\n\t /**\n\t * Creates an object composed of the inverted keys and values of `object`.\n\t * If `object` contains duplicate values, subsequent values overwrite\n\t * property assignments of previous values.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 0.7.0\n\t * @category Object\n\t * @param {Object} object The object to invert.\n\t * @returns {Object} Returns the new inverted object.\n\t * @example\n\t *\n\t * var object = { 'a': 1, 'b': 2, 'c': 1 };\n\t *\n\t * _.invert(object);\n\t * // => { '1': 'c', '2': 'b' }\n\t */\n\t var invert = createInverter(function(result, value, key) {\n\t result[value] = key;\n\t }, constant(identity));\n\t\n\t /**\n\t * This method is like `_.invert` except that the inverted object is generated\n\t * from the results of running each element of `object` thru `iteratee`. The\n\t * corresponding inverted value of each inverted key is an array of keys\n\t * responsible for generating the inverted value. The iteratee is invoked\n\t * with one argument: (value).\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 4.1.0\n\t * @category Object\n\t * @param {Object} object The object to invert.\n\t * @param {Array|Function|Object|string} [iteratee=_.identity]\n\t * The iteratee invoked per element.\n\t * @returns {Object} Returns the new inverted object.\n\t * @example\n\t *\n\t * var object = { 'a': 1, 'b': 2, 'c': 1 };\n\t *\n\t * _.invertBy(object);\n\t * // => { '1': ['a', 'c'], '2': ['b'] }\n\t *\n\t * _.invertBy(object, function(value) {\n\t * return 'group' + value;\n\t * });\n\t * // => { 'group1': ['a', 'c'], 'group2': ['b'] }\n\t */\n\t var invertBy = createInverter(function(result, value, key) {\n\t if (hasOwnProperty.call(result, value)) {\n\t result[value].push(key);\n\t } else {\n\t result[value] = [key];\n\t }\n\t }, getIteratee);\n\t\n\t /**\n\t * Invokes the method at `path` of `object`.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 4.0.0\n\t * @category Object\n\t * @param {Object} object The object to query.\n\t * @param {Array|string} path The path of the method to invoke.\n\t * @param {...*} [args] The arguments to invoke the method with.\n\t * @returns {*} Returns the result of the invoked method.\n\t * @example\n\t *\n\t * var object = { 'a': [{ 'b': { 'c': [1, 2, 3, 4] } }] };\n\t *\n\t * _.invoke(object, 'a[0].b.c.slice', 1, 3);\n\t * // => [2, 3]\n\t */\n\t var invoke = rest(baseInvoke);\n\t\n\t /**\n\t * Creates an array of the own enumerable property names of `object`.\n\t *\n\t * **Note:** Non-object values are coerced to objects. See the\n\t * [ES spec](http://ecma-international.org/ecma-262/6.0/#sec-object.keys)\n\t * for more details.\n\t *\n\t * @static\n\t * @since 0.1.0\n\t * @memberOf _\n\t * @category Object\n\t * @param {Object} object The object to query.\n\t * @returns {Array} Returns the array of property names.\n\t * @example\n\t *\n\t * function Foo() {\n\t * this.a = 1;\n\t * this.b = 2;\n\t * }\n\t *\n\t * Foo.prototype.c = 3;\n\t *\n\t * _.keys(new Foo);\n\t * // => ['a', 'b'] (iteration order is not guaranteed)\n\t *\n\t * _.keys('hi');\n\t * // => ['0', '1']\n\t */\n\t function keys(object) {\n\t var isProto = isPrototype(object);\n\t if (!(isProto || isArrayLike(object))) {\n\t return baseKeys(object);\n\t }\n\t var indexes = indexKeys(object),\n\t skipIndexes = !!indexes,\n\t result = indexes || [],\n\t length = result.length;\n\t\n\t for (var key in object) {\n\t if (baseHas(object, key) &&\n\t !(skipIndexes && (key == 'length' || isIndex(key, length))) &&\n\t !(isProto && key == 'constructor')) {\n\t result.push(key);\n\t }\n\t }\n\t return result;\n\t }\n\t\n\t /**\n\t * Creates an array of the own and inherited enumerable property names of `object`.\n\t *\n\t * **Note:** Non-object values are coerced to objects.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 3.0.0\n\t * @category Object\n\t * @param {Object} object The object to query.\n\t * @returns {Array} Returns the array of property names.\n\t * @example\n\t *\n\t * function Foo() {\n\t * this.a = 1;\n\t * this.b = 2;\n\t * }\n\t *\n\t * Foo.prototype.c = 3;\n\t *\n\t * _.keysIn(new Foo);\n\t * // => ['a', 'b', 'c'] (iteration order is not guaranteed)\n\t */\n\t function keysIn(object) {\n\t var index = -1,\n\t isProto = isPrototype(object),\n\t props = baseKeysIn(object),\n\t propsLength = props.length,\n\t indexes = indexKeys(object),\n\t skipIndexes = !!indexes,\n\t result = indexes || [],\n\t length = result.length;\n\t\n\t while (++index < propsLength) {\n\t var key = props[index];\n\t if (!(skipIndexes && (key == 'length' || isIndex(key, length))) &&\n\t !(key == 'constructor' && (isProto || !hasOwnProperty.call(object, key)))) {\n\t result.push(key);\n\t }\n\t }\n\t return result;\n\t }\n\t\n\t /**\n\t * The opposite of `_.mapValues`; this method creates an object with the\n\t * same values as `object` and keys generated by running each own enumerable\n\t * string keyed property of `object` thru `iteratee`. The iteratee is invoked\n\t * with three arguments: (value, key, object).\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 3.8.0\n\t * @category Object\n\t * @param {Object} object The object to iterate over.\n\t * @param {Array|Function|Object|string} [iteratee=_.identity]\n\t * The function invoked per iteration.\n\t * @returns {Object} Returns the new mapped object.\n\t * @example\n\t *\n\t * _.mapKeys({ 'a': 1, 'b': 2 }, function(value, key) {\n\t * return key + value;\n\t * });\n\t * // => { 'a1': 1, 'b2': 2 }\n\t */\n\t function mapKeys(object, iteratee) {\n\t var result = {};\n\t iteratee = getIteratee(iteratee, 3);\n\t\n\t baseForOwn(object, function(value, key, object) {\n\t result[iteratee(value, key, object)] = value;\n\t });\n\t return result;\n\t }\n\t\n\t /**\n\t * Creates an object with the same keys as `object` and values generated\n\t * by running each own enumerable string keyed property of `object` thru\n\t * `iteratee`. The iteratee is invoked with three arguments:\n\t * (value, key, object).\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 2.4.0\n\t * @category Object\n\t * @param {Object} object The object to iterate over.\n\t * @param {Array|Function|Object|string} [iteratee=_.identity]\n\t * The function invoked per iteration.\n\t * @returns {Object} Returns the new mapped object.\n\t * @example\n\t *\n\t * var users = {\n\t * 'fred': { 'user': 'fred', 'age': 40 },\n\t * 'pebbles': { 'user': 'pebbles', 'age': 1 }\n\t * };\n\t *\n\t * _.mapValues(users, function(o) { return o.age; });\n\t * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n\t *\n\t * // The `_.property` iteratee shorthand.\n\t * _.mapValues(users, 'age');\n\t * // => { 'fred': 40, 'pebbles': 1 } (iteration order is not guaranteed)\n\t */\n\t function mapValues(object, iteratee) {\n\t var result = {};\n\t iteratee = getIteratee(iteratee, 3);\n\t\n\t baseForOwn(object, function(value, key, object) {\n\t result[key] = iteratee(value, key, object);\n\t });\n\t return result;\n\t }\n\t\n\t /**\n\t * This method is like `_.assign` except that it recursively merges own and\n\t * inherited enumerable string keyed properties of source objects into the\n\t * destination object. Source properties that resolve to `undefined` are\n\t * skipped if a destination value exists. Array and plain object properties\n\t * are merged recursively.Other objects and value types are overridden by\n\t * assignment. Source objects are applied from left to right. Subsequent\n\t * sources overwrite property assignments of previous sources.\n\t *\n\t * **Note:** This method mutates `object`.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 0.5.0\n\t * @category Object\n\t * @param {Object} object The destination object.\n\t * @param {...Object} [sources] The source objects.\n\t * @returns {Object} Returns `object`.\n\t * @example\n\t *\n\t * var users = {\n\t * 'data': [{ 'user': 'barney' }, { 'user': 'fred' }]\n\t * };\n\t *\n\t * var ages = {\n\t * 'data': [{ 'age': 36 }, { 'age': 40 }]\n\t * };\n\t *\n\t * _.merge(users, ages);\n\t * // => { 'data': [{ 'user': 'barney', 'age': 36 }, { 'user': 'fred', 'age': 40 }] }\n\t */\n\t var merge = createAssigner(function(object, source, srcIndex) {\n\t baseMerge(object, source, srcIndex);\n\t });\n\t\n\t /**\n\t * This method is like `_.merge` except that it accepts `customizer` which\n\t * is invoked to produce the merged values of the destination and source\n\t * properties. If `customizer` returns `undefined`, merging is handled by the\n\t * method instead. The `customizer` is invoked with seven arguments:\n\t * (objValue, srcValue, key, object, source, stack).\n\t *\n\t * **Note:** This method mutates `object`.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 4.0.0\n\t * @category Object\n\t * @param {Object} object The destination object.\n\t * @param {...Object} sources The source objects.\n\t * @param {Function} customizer The function to customize assigned values.\n\t * @returns {Object} Returns `object`.\n\t * @example\n\t *\n\t * function customizer(objValue, srcValue) {\n\t * if (_.isArray(objValue)) {\n\t * return objValue.concat(srcValue);\n\t * }\n\t * }\n\t *\n\t * var object = {\n\t * 'fruits': ['apple'],\n\t * 'vegetables': ['beet']\n\t * };\n\t *\n\t * var other = {\n\t * 'fruits': ['banana'],\n\t * 'vegetables': ['carrot']\n\t * };\n\t *\n\t * _.mergeWith(object, other, customizer);\n\t * // => { 'fruits': ['apple', 'banana'], 'vegetables': ['beet', 'carrot'] }\n\t */\n\t var mergeWith = createAssigner(function(object, source, srcIndex, customizer) {\n\t baseMerge(object, source, srcIndex, customizer);\n\t });\n\t\n\t /**\n\t * The opposite of `_.pick`; this method creates an object composed of the\n\t * own and inherited enumerable string keyed properties of `object` that are\n\t * not omitted.\n\t *\n\t * @static\n\t * @since 0.1.0\n\t * @memberOf _\n\t * @category Object\n\t * @param {Object} object The source object.\n\t * @param {...(string|string[])} [props] The property identifiers to omit,\n\t * specified individually or in arrays.\n\t * @returns {Object} Returns the new object.\n\t * @example\n\t *\n\t * var object = { 'a': 1, 'b': '2', 'c': 3 };\n\t *\n\t * _.omit(object, ['a', 'c']);\n\t * // => { 'b': '2' }\n\t */\n\t var omit = rest(function(object, props) {\n\t if (object == null) {\n\t return {};\n\t }\n\t props = arrayMap(baseFlatten(props, 1), baseCastKey);\n\t return basePick(object, baseDifference(getAllKeysIn(object), props));\n\t });\n\t\n\t /**\n\t * The opposite of `_.pickBy`; this method creates an object composed of\n\t * the own and inherited enumerable string keyed properties of `object` that\n\t * `predicate` doesn't return truthy for. The predicate is invoked with two\n\t * arguments: (value, key).\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 4.0.0\n\t * @category Object\n\t * @param {Object} object The source object.\n\t * @param {Array|Function|Object|string} [predicate=_.identity]\n\t * The function invoked per property.\n\t * @returns {Object} Returns the new object.\n\t * @example\n\t *\n\t * var object = { 'a': 1, 'b': '2', 'c': 3 };\n\t *\n\t * _.omitBy(object, _.isNumber);\n\t * // => { 'b': '2' }\n\t */\n\t function omitBy(object, predicate) {\n\t predicate = getIteratee(predicate);\n\t return basePickBy(object, function(value, key) {\n\t return !predicate(value, key);\n\t });\n\t }\n\t\n\t /**\n\t * Creates an object composed of the picked `object` properties.\n\t *\n\t * @static\n\t * @since 0.1.0\n\t * @memberOf _\n\t * @category Object\n\t * @param {Object} object The source object.\n\t * @param {...(string|string[])} [props] The property identifiers to pick,\n\t * specified individually or in arrays.\n\t * @returns {Object} Returns the new object.\n\t * @example\n\t *\n\t * var object = { 'a': 1, 'b': '2', 'c': 3 };\n\t *\n\t * _.pick(object, ['a', 'c']);\n\t * // => { 'a': 1, 'c': 3 }\n\t */\n\t var pick = rest(function(object, props) {\n\t return object == null ? {} : basePick(object, baseFlatten(props, 1));\n\t });\n\t\n\t /**\n\t * Creates an object composed of the `object` properties `predicate` returns\n\t * truthy for. The predicate is invoked with two arguments: (value, key).\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 4.0.0\n\t * @category Object\n\t * @param {Object} object The source object.\n\t * @param {Array|Function|Object|string} [predicate=_.identity]\n\t * The function invoked per property.\n\t * @returns {Object} Returns the new object.\n\t * @example\n\t *\n\t * var object = { 'a': 1, 'b': '2', 'c': 3 };\n\t *\n\t * _.pickBy(object, _.isNumber);\n\t * // => { 'a': 1, 'c': 3 }\n\t */\n\t function pickBy(object, predicate) {\n\t return object == null ? {} : basePickBy(object, getIteratee(predicate));\n\t }\n\t\n\t /**\n\t * This method is like `_.get` except that if the resolved value is a\n\t * function it's invoked with the `this` binding of its parent object and\n\t * its result is returned.\n\t *\n\t * @static\n\t * @since 0.1.0\n\t * @memberOf _\n\t * @category Object\n\t * @param {Object} object The object to query.\n\t * @param {Array|string} path The path of the property to resolve.\n\t * @param {*} [defaultValue] The value returned for `undefined` resolved values.\n\t * @returns {*} Returns the resolved value.\n\t * @example\n\t *\n\t * var object = { 'a': [{ 'b': { 'c1': 3, 'c2': _.constant(4) } }] };\n\t *\n\t * _.result(object, 'a[0].b.c1');\n\t * // => 3\n\t *\n\t * _.result(object, 'a[0].b.c2');\n\t * // => 4\n\t *\n\t * _.result(object, 'a[0].b.c3', 'default');\n\t * // => 'default'\n\t *\n\t * _.result(object, 'a[0].b.c3', _.constant('default'));\n\t * // => 'default'\n\t */\n\t function result(object, path, defaultValue) {\n\t path = isKey(path, object) ? [path] : baseCastPath(path);\n\t\n\t var index = -1,\n\t length = path.length;\n\t\n\t // Ensure the loop is entered when path is empty.\n\t if (!length) {\n\t object = undefined;\n\t length = 1;\n\t }\n\t while (++index < length) {\n\t var value = object == null ? undefined : object[path[index]];\n\t if (value === undefined) {\n\t index = length;\n\t value = defaultValue;\n\t }\n\t object = isFunction(value) ? value.call(object) : value;\n\t }\n\t return object;\n\t }\n\t\n\t /**\n\t * Sets the value at `path` of `object`. If a portion of `path` doesn't exist,\n\t * it's created. Arrays are created for missing index properties while objects\n\t * are created for all other missing properties. Use `_.setWith` to customize\n\t * `path` creation.\n\t *\n\t * **Note:** This method mutates `object`.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 3.7.0\n\t * @category Object\n\t * @param {Object} object The object to modify.\n\t * @param {Array|string} path The path of the property to set.\n\t * @param {*} value The value to set.\n\t * @returns {Object} Returns `object`.\n\t * @example\n\t *\n\t * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n\t *\n\t * _.set(object, 'a[0].b.c', 4);\n\t * console.log(object.a[0].b.c);\n\t * // => 4\n\t *\n\t * _.set(object, ['x', '0', 'y', 'z'], 5);\n\t * console.log(object.x[0].y.z);\n\t * // => 5\n\t */\n\t function set(object, path, value) {\n\t return object == null ? object : baseSet(object, path, value);\n\t }\n\t\n\t /**\n\t * This method is like `_.set` except that it accepts `customizer` which is\n\t * invoked to produce the objects of `path`. If `customizer` returns `undefined`\n\t * path creation is handled by the method instead. The `customizer` is invoked\n\t * with three arguments: (nsValue, key, nsObject).\n\t *\n\t * **Note:** This method mutates `object`.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 4.0.0\n\t * @category Object\n\t * @param {Object} object The object to modify.\n\t * @param {Array|string} path The path of the property to set.\n\t * @param {*} value The value to set.\n\t * @param {Function} [customizer] The function to customize assigned values.\n\t * @returns {Object} Returns `object`.\n\t * @example\n\t *\n\t * var object = {};\n\t *\n\t * _.setWith(object, '[0][1]', 'a', Object);\n\t * // => { '0': { '1': 'a' } }\n\t */\n\t function setWith(object, path, value, customizer) {\n\t customizer = typeof customizer == 'function' ? customizer : undefined;\n\t return object == null ? object : baseSet(object, path, value, customizer);\n\t }\n\t\n\t /**\n\t * Creates an array of own enumerable string keyed-value pairs for `object`\n\t * which can be consumed by `_.fromPairs`.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 4.0.0\n\t * @alias entries\n\t * @category Object\n\t * @param {Object} object The object to query.\n\t * @returns {Array} Returns the new array of key-value pairs.\n\t * @example\n\t *\n\t * function Foo() {\n\t * this.a = 1;\n\t * this.b = 2;\n\t * }\n\t *\n\t * Foo.prototype.c = 3;\n\t *\n\t * _.toPairs(new Foo);\n\t * // => [['a', 1], ['b', 2]] (iteration order is not guaranteed)\n\t */\n\t function toPairs(object) {\n\t return baseToPairs(object, keys(object));\n\t }\n\t\n\t /**\n\t * Creates an array of own and inherited enumerable string keyed-value pairs\n\t * for `object` which can be consumed by `_.fromPairs`.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 4.0.0\n\t * @alias entriesIn\n\t * @category Object\n\t * @param {Object} object The object to query.\n\t * @returns {Array} Returns the new array of key-value pairs.\n\t * @example\n\t *\n\t * function Foo() {\n\t * this.a = 1;\n\t * this.b = 2;\n\t * }\n\t *\n\t * Foo.prototype.c = 3;\n\t *\n\t * _.toPairsIn(new Foo);\n\t * // => [['a', 1], ['b', 2], ['c', 1]] (iteration order is not guaranteed)\n\t */\n\t function toPairsIn(object) {\n\t return baseToPairs(object, keysIn(object));\n\t }\n\t\n\t /**\n\t * An alternative to `_.reduce`; this method transforms `object` to a new\n\t * `accumulator` object which is the result of running each of its own\n\t * enumerable string keyed properties thru `iteratee`, with each invocation\n\t * potentially mutating the `accumulator` object. The iteratee is invoked\n\t * with four arguments: (accumulator, value, key, object). Iteratee functions\n\t * may exit iteration early by explicitly returning `false`.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 1.3.0\n\t * @category Object\n\t * @param {Array|Object} object The object to iterate over.\n\t * @param {Function} [iteratee=_.identity] The function invoked per iteration.\n\t * @param {*} [accumulator] The custom accumulator value.\n\t * @returns {*} Returns the accumulated value.\n\t * @example\n\t *\n\t * _.transform([2, 3, 4], function(result, n) {\n\t * result.push(n *= n);\n\t * return n % 2 == 0;\n\t * }, []);\n\t * // => [4, 9]\n\t *\n\t * _.transform({ 'a': 1, 'b': 2, 'c': 1 }, function(result, value, key) {\n\t * (result[value] || (result[value] = [])).push(key);\n\t * }, {});\n\t * // => { '1': ['a', 'c'], '2': ['b'] }\n\t */\n\t function transform(object, iteratee, accumulator) {\n\t var isArr = isArray(object) || isTypedArray(object);\n\t iteratee = getIteratee(iteratee, 4);\n\t\n\t if (accumulator == null) {\n\t if (isArr || isObject(object)) {\n\t var Ctor = object.constructor;\n\t if (isArr) {\n\t accumulator = isArray(object) ? new Ctor : [];\n\t } else {\n\t accumulator = isFunction(Ctor) ? baseCreate(getPrototype(object)) : {};\n\t }\n\t } else {\n\t accumulator = {};\n\t }\n\t }\n\t (isArr ? arrayEach : baseForOwn)(object, function(value, index, object) {\n\t return iteratee(accumulator, value, index, object);\n\t });\n\t return accumulator;\n\t }\n\t\n\t /**\n\t * Removes the property at `path` of `object`.\n\t *\n\t * **Note:** This method mutates `object`.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 4.0.0\n\t * @category Object\n\t * @param {Object} object The object to modify.\n\t * @param {Array|string} path The path of the property to unset.\n\t * @returns {boolean} Returns `true` if the property is deleted, else `false`.\n\t * @example\n\t *\n\t * var object = { 'a': [{ 'b': { 'c': 7 } }] };\n\t * _.unset(object, 'a[0].b.c');\n\t * // => true\n\t *\n\t * console.log(object);\n\t * // => { 'a': [{ 'b': {} }] };\n\t *\n\t * _.unset(object, ['a', '0', 'b', 'c']);\n\t * // => true\n\t *\n\t * console.log(object);\n\t * // => { 'a': [{ 'b': {} }] };\n\t */\n\t function unset(object, path) {\n\t return object == null ? true : baseUnset(object, path);\n\t }\n\t\n\t /**\n\t * This method is like `_.set` except that accepts `updater` to produce the\n\t * value to set. Use `_.updateWith` to customize `path` creation. The `updater`\n\t * is invoked with one argument: (value).\n\t *\n\t * **Note:** This method mutates `object`.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 4.6.0\n\t * @category Object\n\t * @param {Object} object The object to modify.\n\t * @param {Array|string} path The path of the property to set.\n\t * @param {Function} updater The function to produce the updated value.\n\t * @returns {Object} Returns `object`.\n\t * @example\n\t *\n\t * var object = { 'a': [{ 'b': { 'c': 3 } }] };\n\t *\n\t * _.update(object, 'a[0].b.c', function(n) { return n * n; });\n\t * console.log(object.a[0].b.c);\n\t * // => 9\n\t *\n\t * _.update(object, 'x[0].y.z', function(n) { return n ? n + 1 : 0; });\n\t * console.log(object.x[0].y.z);\n\t * // => 0\n\t */\n\t function update(object, path, updater) {\n\t return object == null ? object : baseUpdate(object, path, baseCastFunction(updater));\n\t }\n\t\n\t /**\n\t * This method is like `_.update` except that it accepts `customizer` which is\n\t * invoked to produce the objects of `path`. If `customizer` returns `undefined`\n\t * path creation is handled by the method instead. The `customizer` is invoked\n\t * with three arguments: (nsValue, key, nsObject).\n\t *\n\t * **Note:** This method mutates `object`.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 4.6.0\n\t * @category Object\n\t * @param {Object} object The object to modify.\n\t * @param {Array|string} path The path of the property to set.\n\t * @param {Function} updater The function to produce the updated value.\n\t * @param {Function} [customizer] The function to customize assigned values.\n\t * @returns {Object} Returns `object`.\n\t * @example\n\t *\n\t * var object = {};\n\t *\n\t * _.updateWith(object, '[0][1]', _.constant('a'), Object);\n\t * // => { '0': { '1': 'a' } }\n\t */\n\t function updateWith(object, path, updater, customizer) {\n\t customizer = typeof customizer == 'function' ? customizer : undefined;\n\t return object == null ? object : baseUpdate(object, path, baseCastFunction(updater), customizer);\n\t }\n\t\n\t /**\n\t * Creates an array of the own enumerable string keyed property values of `object`.\n\t *\n\t * **Note:** Non-object values are coerced to objects.\n\t *\n\t * @static\n\t * @since 0.1.0\n\t * @memberOf _\n\t * @category Object\n\t * @param {Object} object The object to query.\n\t * @returns {Array} Returns the array of property values.\n\t * @example\n\t *\n\t * function Foo() {\n\t * this.a = 1;\n\t * this.b = 2;\n\t * }\n\t *\n\t * Foo.prototype.c = 3;\n\t *\n\t * _.values(new Foo);\n\t * // => [1, 2] (iteration order is not guaranteed)\n\t *\n\t * _.values('hi');\n\t * // => ['h', 'i']\n\t */\n\t function values(object) {\n\t return object ? baseValues(object, keys(object)) : [];\n\t }\n\t\n\t /**\n\t * Creates an array of the own and inherited enumerable string keyed property\n\t * values of `object`.\n\t *\n\t * **Note:** Non-object values are coerced to objects.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 3.0.0\n\t * @category Object\n\t * @param {Object} object The object to query.\n\t * @returns {Array} Returns the array of property values.\n\t * @example\n\t *\n\t * function Foo() {\n\t * this.a = 1;\n\t * this.b = 2;\n\t * }\n\t *\n\t * Foo.prototype.c = 3;\n\t *\n\t * _.valuesIn(new Foo);\n\t * // => [1, 2, 3] (iteration order is not guaranteed)\n\t */\n\t function valuesIn(object) {\n\t return object == null ? [] : baseValues(object, keysIn(object));\n\t }\n\t\n\t /*------------------------------------------------------------------------*/\n\t\n\t /**\n\t * Clamps `number` within the inclusive `lower` and `upper` bounds.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 4.0.0\n\t * @category Number\n\t * @param {number} number The number to clamp.\n\t * @param {number} [lower] The lower bound.\n\t * @param {number} upper The upper bound.\n\t * @returns {number} Returns the clamped number.\n\t * @example\n\t *\n\t * _.clamp(-10, -5, 5);\n\t * // => -5\n\t *\n\t * _.clamp(10, -5, 5);\n\t * // => 5\n\t */\n\t function clamp(number, lower, upper) {\n\t if (upper === undefined) {\n\t upper = lower;\n\t lower = undefined;\n\t }\n\t if (upper !== undefined) {\n\t upper = toNumber(upper);\n\t upper = upper === upper ? upper : 0;\n\t }\n\t if (lower !== undefined) {\n\t lower = toNumber(lower);\n\t lower = lower === lower ? lower : 0;\n\t }\n\t return baseClamp(toNumber(number), lower, upper);\n\t }\n\t\n\t /**\n\t * Checks if `n` is between `start` and up to but not including, `end`. If\n\t * `end` is not specified, it's set to `start` with `start` then set to `0`.\n\t * If `start` is greater than `end` the params are swapped to support\n\t * negative ranges.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 3.3.0\n\t * @category Number\n\t * @param {number} number The number to check.\n\t * @param {number} [start=0] The start of the range.\n\t * @param {number} end The end of the range.\n\t * @returns {boolean} Returns `true` if `number` is in the range, else `false`.\n\t * @example\n\t *\n\t * _.inRange(3, 2, 4);\n\t * // => true\n\t *\n\t * _.inRange(4, 8);\n\t * // => true\n\t *\n\t * _.inRange(4, 2);\n\t * // => false\n\t *\n\t * _.inRange(2, 2);\n\t * // => false\n\t *\n\t * _.inRange(1.2, 2);\n\t * // => true\n\t *\n\t * _.inRange(5.2, 4);\n\t * // => false\n\t *\n\t * _.inRange(-3, -2, -6);\n\t * // => true\n\t */\n\t function inRange(number, start, end) {\n\t start = toNumber(start) || 0;\n\t if (end === undefined) {\n\t end = start;\n\t start = 0;\n\t } else {\n\t end = toNumber(end) || 0;\n\t }\n\t number = toNumber(number);\n\t return baseInRange(number, start, end);\n\t }\n\t\n\t /**\n\t * Produces a random number between the inclusive `lower` and `upper` bounds.\n\t * If only one argument is provided a number between `0` and the given number\n\t * is returned. If `floating` is `true`, or either `lower` or `upper` are\n\t * floats, a floating-point number is returned instead of an integer.\n\t *\n\t * **Note:** JavaScript follows the IEEE-754 standard for resolving\n\t * floating-point values which can produce unexpected results.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 0.7.0\n\t * @category Number\n\t * @param {number} [lower=0] The lower bound.\n\t * @param {number} [upper=1] The upper bound.\n\t * @param {boolean} [floating] Specify returning a floating-point number.\n\t * @returns {number} Returns the random number.\n\t * @example\n\t *\n\t * _.random(0, 5);\n\t * // => an integer between 0 and 5\n\t *\n\t * _.random(5);\n\t * // => also an integer between 0 and 5\n\t *\n\t * _.random(5, true);\n\t * // => a floating-point number between 0 and 5\n\t *\n\t * _.random(1.2, 5.2);\n\t * // => a floating-point number between 1.2 and 5.2\n\t */\n\t function random(lower, upper, floating) {\n\t if (floating && typeof floating != 'boolean' && isIterateeCall(lower, upper, floating)) {\n\t upper = floating = undefined;\n\t }\n\t if (floating === undefined) {\n\t if (typeof upper == 'boolean') {\n\t floating = upper;\n\t upper = undefined;\n\t }\n\t else if (typeof lower == 'boolean') {\n\t floating = lower;\n\t lower = undefined;\n\t }\n\t }\n\t if (lower === undefined && upper === undefined) {\n\t lower = 0;\n\t upper = 1;\n\t }\n\t else {\n\t lower = toNumber(lower) || 0;\n\t if (upper === undefined) {\n\t upper = lower;\n\t lower = 0;\n\t } else {\n\t upper = toNumber(upper) || 0;\n\t }\n\t }\n\t if (lower > upper) {\n\t var temp = lower;\n\t lower = upper;\n\t upper = temp;\n\t }\n\t if (floating || lower % 1 || upper % 1) {\n\t var rand = nativeRandom();\n\t return nativeMin(lower + (rand * (upper - lower + freeParseFloat('1e-' + ((rand + '').length - 1)))), upper);\n\t }\n\t return baseRandom(lower, upper);\n\t }\n\t\n\t /*------------------------------------------------------------------------*/\n\t\n\t /**\n\t * Converts `string` to [camel case](https://en.wikipedia.org/wiki/CamelCase).\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 3.0.0\n\t * @category String\n\t * @param {string} [string=''] The string to convert.\n\t * @returns {string} Returns the camel cased string.\n\t * @example\n\t *\n\t * _.camelCase('Foo Bar');\n\t * // => 'fooBar'\n\t *\n\t * _.camelCase('--foo-bar--');\n\t * // => 'fooBar'\n\t *\n\t * _.camelCase('__FOO_BAR__');\n\t * // => 'fooBar'\n\t */\n\t var camelCase = createCompounder(function(result, word, index) {\n\t word = word.toLowerCase();\n\t return result + (index ? capitalize(word) : word);\n\t });\n\t\n\t /**\n\t * Converts the first character of `string` to upper case and the remaining\n\t * to lower case.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 3.0.0\n\t * @category String\n\t * @param {string} [string=''] The string to capitalize.\n\t * @returns {string} Returns the capitalized string.\n\t * @example\n\t *\n\t * _.capitalize('FRED');\n\t * // => 'Fred'\n\t */\n\t function capitalize(string) {\n\t return upperFirst(toString(string).toLowerCase());\n\t }\n\t\n\t /**\n\t * Deburrs `string` by converting\n\t * [latin-1 supplementary letters](https://en.wikipedia.org/wiki/Latin-1_Supplement_(Unicode_block)#Character_table)\n\t * to basic latin letters and removing\n\t * [combining diacritical marks](https://en.wikipedia.org/wiki/Combining_Diacritical_Marks).\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 3.0.0\n\t * @category String\n\t * @param {string} [string=''] The string to deburr.\n\t * @returns {string} Returns the deburred string.\n\t * @example\n\t *\n\t * _.deburr('déjà vu');\n\t * // => 'deja vu'\n\t */\n\t function deburr(string) {\n\t string = toString(string);\n\t return string && string.replace(reLatin1, deburrLetter).replace(reComboMark, '');\n\t }\n\t\n\t /**\n\t * Checks if `string` ends with the given target string.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 3.0.0\n\t * @category String\n\t * @param {string} [string=''] The string to search.\n\t * @param {string} [target] The string to search for.\n\t * @param {number} [position=string.length] The position to search from.\n\t * @returns {boolean} Returns `true` if `string` ends with `target`,\n\t * else `false`.\n\t * @example\n\t *\n\t * _.endsWith('abc', 'c');\n\t * // => true\n\t *\n\t * _.endsWith('abc', 'b');\n\t * // => false\n\t *\n\t * _.endsWith('abc', 'b', 2);\n\t * // => true\n\t */\n\t function endsWith(string, target, position) {\n\t string = toString(string);\n\t target = typeof target == 'string' ? target : (target + '');\n\t\n\t var length = string.length;\n\t position = position === undefined\n\t ? length\n\t : baseClamp(toInteger(position), 0, length);\n\t\n\t position -= target.length;\n\t return position >= 0 && string.indexOf(target, position) == position;\n\t }\n\t\n\t /**\n\t * Converts the characters \"&\", \"<\", \">\", '\"', \"'\", and \"\\`\" in `string` to\n\t * their corresponding HTML entities.\n\t *\n\t * **Note:** No other characters are escaped. To escape additional\n\t * characters use a third-party library like [_he_](https://mths.be/he).\n\t *\n\t * Though the \">\" character is escaped for symmetry, characters like\n\t * \">\" and \"/\" don't need escaping in HTML and have no special meaning\n\t * unless they're part of a tag or unquoted attribute value. See\n\t * [Mathias Bynens's article](https://mathiasbynens.be/notes/ambiguous-ampersands)\n\t * (under \"semi-related fun fact\") for more details.\n\t *\n\t * Backticks are escaped because in IE < 9, they can break out of\n\t * attribute values or HTML comments. See [#59](https://html5sec.org/#59),\n\t * [#102](https://html5sec.org/#102), [#108](https://html5sec.org/#108), and\n\t * [#133](https://html5sec.org/#133) of the\n\t * [HTML5 Security Cheatsheet](https://html5sec.org/) for more details.\n\t *\n\t * When working with HTML you should always\n\t * [quote attribute values](http://wonko.com/post/html-escaping) to reduce\n\t * XSS vectors.\n\t *\n\t * @static\n\t * @since 0.1.0\n\t * @memberOf _\n\t * @category String\n\t * @param {string} [string=''] The string to escape.\n\t * @returns {string} Returns the escaped string.\n\t * @example\n\t *\n\t * _.escape('fred, barney, & pebbles');\n\t * // => 'fred, barney, & pebbles'\n\t */\n\t function escape(string) {\n\t string = toString(string);\n\t return (string && reHasUnescapedHtml.test(string))\n\t ? string.replace(reUnescapedHtml, escapeHtmlChar)\n\t : string;\n\t }\n\t\n\t /**\n\t * Escapes the `RegExp` special characters \"^\", \"$\", \"\\\", \".\", \"*\", \"+\",\n\t * \"?\", \"(\", \")\", \"[\", \"]\", \"{\", \"}\", and \"|\" in `string`.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 3.0.0\n\t * @category String\n\t * @param {string} [string=''] The string to escape.\n\t * @returns {string} Returns the escaped string.\n\t * @example\n\t *\n\t * _.escapeRegExp('[lodash](https://lodash.com/)');\n\t * // => '\\[lodash\\]\\(https://lodash\\.com/\\)'\n\t */\n\t function escapeRegExp(string) {\n\t string = toString(string);\n\t return (string && reHasRegExpChar.test(string))\n\t ? string.replace(reRegExpChar, '\\\\$&')\n\t : string;\n\t }\n\t\n\t /**\n\t * Converts `string` to\n\t * [kebab case](https://en.wikipedia.org/wiki/Letter_case#Special_case_styles).\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 3.0.0\n\t * @category String\n\t * @param {string} [string=''] The string to convert.\n\t * @returns {string} Returns the kebab cased string.\n\t * @example\n\t *\n\t * _.kebabCase('Foo Bar');\n\t * // => 'foo-bar'\n\t *\n\t * _.kebabCase('fooBar');\n\t * // => 'foo-bar'\n\t *\n\t * _.kebabCase('__FOO_BAR__');\n\t * // => 'foo-bar'\n\t */\n\t var kebabCase = createCompounder(function(result, word, index) {\n\t return result + (index ? '-' : '') + word.toLowerCase();\n\t });\n\t\n\t /**\n\t * Converts `string`, as space separated words, to lower case.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 4.0.0\n\t * @category String\n\t * @param {string} [string=''] The string to convert.\n\t * @returns {string} Returns the lower cased string.\n\t * @example\n\t *\n\t * _.lowerCase('--Foo-Bar--');\n\t * // => 'foo bar'\n\t *\n\t * _.lowerCase('fooBar');\n\t * // => 'foo bar'\n\t *\n\t * _.lowerCase('__FOO_BAR__');\n\t * // => 'foo bar'\n\t */\n\t var lowerCase = createCompounder(function(result, word, index) {\n\t return result + (index ? ' ' : '') + word.toLowerCase();\n\t });\n\t\n\t /**\n\t * Converts the first character of `string` to lower case.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 4.0.0\n\t * @category String\n\t * @param {string} [string=''] The string to convert.\n\t * @returns {string} Returns the converted string.\n\t * @example\n\t *\n\t * _.lowerFirst('Fred');\n\t * // => 'fred'\n\t *\n\t * _.lowerFirst('FRED');\n\t * // => 'fRED'\n\t */\n\t var lowerFirst = createCaseFirst('toLowerCase');\n\t\n\t /**\n\t * Pads `string` on the left and right sides if it's shorter than `length`.\n\t * Padding characters are truncated if they can't be evenly divided by `length`.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 3.0.0\n\t * @category String\n\t * @param {string} [string=''] The string to pad.\n\t * @param {number} [length=0] The padding length.\n\t * @param {string} [chars=' '] The string used as padding.\n\t * @returns {string} Returns the padded string.\n\t * @example\n\t *\n\t * _.pad('abc', 8);\n\t * // => ' abc '\n\t *\n\t * _.pad('abc', 8, '_-');\n\t * // => '_-abc_-_'\n\t *\n\t * _.pad('abc', 3);\n\t * // => 'abc'\n\t */\n\t function pad(string, length, chars) {\n\t string = toString(string);\n\t length = toInteger(length);\n\t\n\t var strLength = length ? stringSize(string) : 0;\n\t if (!length || strLength >= length) {\n\t return string;\n\t }\n\t var mid = (length - strLength) / 2;\n\t return (\n\t createPadding(nativeFloor(mid), chars) +\n\t string +\n\t createPadding(nativeCeil(mid), chars)\n\t );\n\t }\n\t\n\t /**\n\t * Pads `string` on the right side if it's shorter than `length`. Padding\n\t * characters are truncated if they exceed `length`.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 4.0.0\n\t * @category String\n\t * @param {string} [string=''] The string to pad.\n\t * @param {number} [length=0] The padding length.\n\t * @param {string} [chars=' '] The string used as padding.\n\t * @returns {string} Returns the padded string.\n\t * @example\n\t *\n\t * _.padEnd('abc', 6);\n\t * // => 'abc '\n\t *\n\t * _.padEnd('abc', 6, '_-');\n\t * // => 'abc_-_'\n\t *\n\t * _.padEnd('abc', 3);\n\t * // => 'abc'\n\t */\n\t function padEnd(string, length, chars) {\n\t string = toString(string);\n\t length = toInteger(length);\n\t\n\t var strLength = length ? stringSize(string) : 0;\n\t return (length && strLength < length)\n\t ? (string + createPadding(length - strLength, chars))\n\t : string;\n\t }\n\t\n\t /**\n\t * Pads `string` on the left side if it's shorter than `length`. Padding\n\t * characters are truncated if they exceed `length`.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 4.0.0\n\t * @category String\n\t * @param {string} [string=''] The string to pad.\n\t * @param {number} [length=0] The padding length.\n\t * @param {string} [chars=' '] The string used as padding.\n\t * @returns {string} Returns the padded string.\n\t * @example\n\t *\n\t * _.padStart('abc', 6);\n\t * // => ' abc'\n\t *\n\t * _.padStart('abc', 6, '_-');\n\t * // => '_-_abc'\n\t *\n\t * _.padStart('abc', 3);\n\t * // => 'abc'\n\t */\n\t function padStart(string, length, chars) {\n\t string = toString(string);\n\t length = toInteger(length);\n\t\n\t var strLength = length ? stringSize(string) : 0;\n\t return (length && strLength < length)\n\t ? (createPadding(length - strLength, chars) + string)\n\t : string;\n\t }\n\t\n\t /**\n\t * Converts `string` to an integer of the specified radix. If `radix` is\n\t * `undefined` or `0`, a `radix` of `10` is used unless `value` is a\n\t * hexadecimal, in which case a `radix` of `16` is used.\n\t *\n\t * **Note:** This method aligns with the\n\t * [ES5 implementation](https://es5.github.io/#x15.1.2.2) of `parseInt`.\n\t *\n\t * @static\n\t * @memberOf _\n\t * @since 1.1.0\n\t * @category String\n\t * @param {string} string The string to convert.\n\t * @param {number} [radix=10] The radix to interpret `value` by.\n\t * @param- {Object} [guard] Enables use as an iteratee for methods like `_.map`.\n\t * @returns {number} Returns the converted integer.\n\t * @example\n\t *\n\t * _.parseInt('08');\n\t * // => 8\n\t *\n\t * _.map(['6', '08', '10'], _.parseInt);\n\t * // => [6, 8, 10]\n\t */\n\t function parseInt(string, radix, guard) {\n\t // Chrome fails to trim leading