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@stdlib/array

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/** * @license Apache-2.0 * * Copyright (c) 2023 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'; /** * Group element indices as arrays associated with distinct keys. * * @module @stdlib/array/base/group-indices * * @example * var groupIndices = require( '@stdlib/array/base/group-indices' ); * * var x = [ 'beep', 'boop', 'foo', 'bar' ]; * var groups = [ 'b', 'b', 'f', 'b' ]; * * var out = groupIndices( x, groups ); * // returns { 'b': [ 0, 1, 3 ], 'f': [ 2 ] } */ // MODULES // var main = require( './main.js' ); // EXPORTS // module.exports = main;