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/**
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 * The base implementation of `_.reduce` and `_.reduceRight`, without support
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 * for iteratee shorthands, which iterates over `collection` using `eachFunc`.
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 *
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 * @private
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 * @param {Array|Object} collection The collection to iterate over.
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 * @param {Function} iteratee The function invoked per iteration.
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 * @param {*} accumulator The initial value.
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 * @param {boolean} initAccum Specify using the first or last element of
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 *  `collection` as the initial value.
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 * @param {Function} eachFunc The function to iterate over `collection`.
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 * @returns {*} Returns the accumulated value.
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 */
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function baseReduce(collection, iteratee, accumulator, initAccum, eachFunc) {
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  eachFunc(collection, function(value, index, collection) {
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    accumulator = initAccum
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      ? (initAccum = false, value)
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      : iteratee(accumulator, value, index, collection);
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  });
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  return accumulator;
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}
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module.exports = baseReduce;
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