define(['../internal/arrayReduceRight', '../internal/baseCallback', '../internal/baseEachRight', '../internal/baseReduce', '../lang/isArray'], function(arrayReduceRight, baseCallback, baseEachRight, baseReduce, isArray) { /** * This method is like `_.reduce` except that it iterates over elements of * `collection` from right to left. * * @static * @memberOf _ * @alias foldr * @category Collection * @param {Array|Object|string} collection The collection to iterate over. * @param {Function} [iteratee=_.identity] The function invoked per iteration. * @param {*} [accumulator] The initial value. * @param {*} [thisArg] The `this` binding of `iteratee`. * @returns {*} Returns the accumulated value. * @example * * var array = [[0, 1], [2, 3], [4, 5]]; * * _.reduceRight(array, function(flattened, other) { * return flattened.concat(other); * }, []); * // => [4, 5, 2, 3, 0, 1] */ function reduceRight(collection, iteratee, accumulator, thisArg) { var func = isArray(collection) ? arrayReduceRight : baseReduce; return func(collection, baseCallback(iteratee, thisArg, 4), accumulator, arguments.length < 3, baseEachRight); } return reduceRight; });