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* @license Apache-2.0
*
* Copyright (c) 2018 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 values as arrays associated with distinct keys.
*
* @module @stdlib/utils/group
*
* @example
* var group = require( '@stdlib/utils/group' );
*
* var arr = [ 'beep', 'boop', 'foo', 'bar' ];
* var groups = [ 'b', 'b', 'f', 'b' ];
*
* var out = group( arr, groups );
* // returns { 'b': [ 'beep', 'boop', 'bar' ], 'f': [ 'foo' ] }
*
* @example
* var group = require( '@stdlib/utils/group' );
*
* var arr = [ 'beep', 'boop', 'foo', 'bar' ];
* var groups = [ 'b', 'b', 'f', 'b' ];
*
* var opts = {
* 'returns': 'indices'
* };
*
* var out = group( arr, opts, groups );
* // returns { 'b': [ 0, 1, 3 ], 'f': [ 2 ] }
*
* @example
* var group = require( '@stdlib/utils/group' );
*
* var arr = [ 'beep', 'boop', 'foo', 'bar' ];
* var groups = [ 'b', 'b', 'f', 'b' ];
*
* var opts = {
* 'returns': '*'
* };
*
* var out = group( arr, opts, groups );
* // returns { 'b': [ [ 0, 'beep' ], [ 1, 'boop' ], [ 3, 'bar' ] ], 'f': [ [ 2, 'foo' ] ] }
*/
// MODULES //
var main = require( './main.js' );
// EXPORTS //
module.exports = main;
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