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@stdlib/utils

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Standard utilities.

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/** * @license Apache-2.0 * * Copyright (c) 2021 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'; /** * Apply a function to each element in an array and assign the result to an element in an output array. * * @module @stdlib/utils/map * * @example * var naryFunction = require( '@stdlib/utils/nary-function' ); * var abs = require( '@stdlib/math/base/special/abs' ); * var map = require( '@stdlib/utils/map' ); * * var arr = [ -1, -2, -3, -4, -5, -6 ]; * * var out = map( arr, naryFunction( abs, 1 ) ); * // returns [ 1, 2, 3, 4, 5, 6 ] * * @example * var naryFunction = require( '@stdlib/utils/nary-function' ); * var abs = require( '@stdlib/math/base/special/abs' ); * var array = require( '@stdlib/ndarray/array' ); * var map = require( '@stdlib/utils/map' ); * * var opts = { * 'dtype': 'generic' * }; * var arr = array( [ [ -1, -2, -3 ], [ -4, -5, -6 ] ], opts ); * * var out = map( arr, naryFunction( abs, 1 ) ); * // returns <ndarray> * * var data = out.data; * // returns [ 1, 2, 3, 4, 5, 6 ] * * @example * var naryFunction = require( '@stdlib/utils/nary-function' ); * var abs = require( '@stdlib/math/base/special/abs' ); * var map = require( '@stdlib/utils/map' ); * * var arr = [ -1, -2, -3, -4, -5, -6 ]; * var out = [ 0, 0, 0, 0, 0, 0 ]; * * map.assign( arr, out, naryFunction( abs, 1 ) ); * * console.log( out ); * // => [ 1, 2, 3, 4, 5, 6 ] * * @example * var naryFunction = require( '@stdlib/utils/nary-function' ); * var abs = require( '@stdlib/math/base/special/abs' ); * var array = require( '@stdlib/ndarray/array' ); * var map = require( '@stdlib/utils/map' ); * * var opts = { * 'dtype': 'generic', * 'shape': [ 2, 3 ] * }; * var arr = array( [ [ -1, -2, -3 ], [ -4, -5, -6 ] ], opts ); * var out = array( opts ); * * map.assign( arr, out, naryFunction( abs, 1 ) ); * * var data = out.data; * // returns [ 1, 2, 3, 4, 5, 6 ] */ // MODULES // var setReadOnly = require( './../../define-nonenumerable-read-only-property' ); var main = require( './main.js' ); var assign = require( './assign.js' ); // MAIN // setReadOnly( main, 'assign', assign ); // EXPORTS // module.exports = main;