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rOACCT/node_modules/lodash/xorBy.js
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xorBy.js
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			var arrayFilter = require('./_arrayFilter'),
			baseIteratee = require('./_baseIteratee'),
			baseRest = require('./_baseRest'),
			baseXor = require('./_baseXor'),
			isArrayLikeObject = require('./isArrayLikeObject'),
			last = require('./last');

			/**
			* This method is like `_.xor` except that it accepts `iteratee` which is
			* invoked for each element of each `arrays` to generate the criterion by
			* which by which they're compared. The order of result values is determined
			* by the order they occur in the arrays. The iteratee is invoked with one
			* argument: (value).
			*
			* @static
			* @memberOf _
			* @since 4.0.0
			* @category Array
			* @param {...Array} [arrays] The arrays to inspect.
			* @param {Function} [iteratee=_.identity] The iteratee invoked per element.
			* @returns {Array} Returns the new array of filtered values.
			* @example
			*
			* _.xorBy([2.1, 1.2], [2.3, 3.4], Math.floor);
			* // => [1.2, 3.4]
			*
			* // The `_.property` iteratee shorthand.
			* _.xorBy([{ 'x': 1 }], [{ 'x': 2 }, { 'x': 1 }], 'x');
			* // => [{ 'x': 2 }]
			*/
			var xorBy = baseRest(function(arrays) {
			var iteratee = last(arrays);
			if (isArrayLikeObject(iteratee)) {
			iteratee = undefined;
			}
			return baseXor(arrayFilter(arrays, isArrayLikeObject), baseIteratee(iteratee, 2));
			});

			module.exports = xorBy;