blob: 74142b64cb298adc8bf2987e3e2146ffbb48e9ce (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
/**
* Copyright (c) 2013-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*
* @providesModule someSet
* @flow
* @typechecks
*/
'use strict';
import type Set from './Set';
/**
* The someSet() method tests whether some elements in the given Set pass the
* test implemented by the provided function.
*/
function someSet<T>(set: Set<T>, callback: (value: T, key: T, set: Set<T>) => boolean, context?: any): boolean {
var iterator = set.entries();
var current = iterator.next();
while (!current.done) {
var entry = current.value;
if (callback.call(context, entry[1], entry[0], set)) {
return true;
}
current = iterator.next();
}
return false;
}
module.exports = someSet;
|