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var Symbol = require('./_Symbol'),
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    copyArray = require('./_copyArray'),
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    getTag = require('./_getTag'),
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    isArrayLike = require('./isArrayLike'),
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    isString = require('./isString'),
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    iteratorToArray = require('./_iteratorToArray'),
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    mapToArray = require('./_mapToArray'),
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    setToArray = require('./_setToArray'),
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    stringToArray = require('./_stringToArray'),
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    values = require('./values');
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/** `Object#toString` result references. */
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var mapTag = '[object Map]',
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    setTag = '[object Set]';
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/** Built-in value references. */
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var symIterator = Symbol ? Symbol.iterator : undefined;
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/**
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 * Converts `value` to an array.
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 *
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 * @static
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 * @since 0.1.0
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 * @memberOf _
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 * @category Lang
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 * @param {*} value The value to convert.
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 * @returns {Array} Returns the converted array.
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 * @example
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 *
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 * _.toArray({ 'a': 1, 'b': 2 });
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 * // => [1, 2]
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 *
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 * _.toArray('abc');
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 * // => ['a', 'b', 'c']
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 *
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 * _.toArray(1);
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 * // => []
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 *
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 * _.toArray(null);
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 * // => []
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 */
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function toArray(value) {
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  if (!value) {
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    return [];
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  }
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  if (isArrayLike(value)) {
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    return isString(value) ? stringToArray(value) : copyArray(value);
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  }
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  if (symIterator && value[symIterator]) {
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    return iteratorToArray(value[symIterator]());
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  }
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  var tag = getTag(value),
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      func = tag == mapTag ? mapToArray : (tag == setTag ? setToArray : values);
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  return func(value);
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}
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module.exports = toArray;
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