21 lines
521 B
Plaintext
21 lines
521 B
Plaintext
|
/**
|
||
|
|
* Copyright (c) 2013-present, Facebook, Inc.
|
||
|
|
*
|
||
|
|
* This source code is licensed under the MIT license found in the
|
||
|
|
* LICENSE file in the root directory of this source tree.
|
||
|
|
*
|
||
|
|
* @providesModule distinctArray
|
||
|
|
* @flow
|
||
|
|
*/
|
||
|
|
|
||
|
|
var Set = require('./Set');
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns the distinct elements of an iterable. The result is an array whose
|
||
|
|
* elements are ordered by first occurrence.
|
||
|
|
*/
|
||
|
|
function distinctArray<T>(xs: Iterable<T>): Array<T> {
|
||
|
|
return Array.from(new Set(xs).values());
|
||
|
|
}
|
||
|
|
|
||
|
|
module.exports = distinctArray;
|