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* @license Apache-2.0
*
* Copyright (c) 2022 The Stdlib Authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
'use strict';
/**
* Perform a map-reduce operation against each element in an array and return the accumulated result.
*
* @module @stdlib/utils/map-reduce
*
* @example
* var mapReduce = require( '@stdlib/utils/map-reduce' );
*
* function square( value ) {
* return value * value;
* }
*
* function sum( acc, value ) {
* return acc + value;
* }
*
* var arr = [ 1, 2, 3, 4 ];
*
* var out = mapReduce( arr, 0, sum );
* // returns 30
*
* @example
* var naryFunction = require( '@stdlib/utils/nary-function' );
* var add = require( '@stdlib/math/base/ops/add' );
* var abs = require( '@stdlib/math/base/special/abs' );
* var array = require( '@stdlib/ndarray/array' );
* var mapReduce = require( '@stdlib/utils/map-reduce' );
*
* var opts = {
* 'dtype': 'generic'
* };
* var arr = array( [ [ -1, -2, -3 ], [ -4, -5, -6 ] ], opts );
*
* var out = mapReduce( arr, 0, naryFunction( abs, 1 ), naryFunction( add, 2 ) );
* // returns 21
*/
// MODULES //
var main = require( './main.js' );
// EXPORTS //
module.exports = main;
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