1 | 'use strict';
|
2 | var $ = require('../internals/export');
|
3 | var IS_PURE = require('../internals/is-pure');
|
4 | var getBuiltIn = require('../internals/get-built-in');
|
5 | var anObject = require('../internals/an-object');
|
6 | var aFunction = require('../internals/a-function');
|
7 | var speciesConstructor = require('../internals/species-constructor');
|
8 | var iterate = require('../internals/iterate');
|
9 |
|
10 |
|
11 |
|
12 | $({ target: 'Set', proto: true, real: true, forced: IS_PURE }, {
|
13 | symmetricDifference: function symmetricDifference(iterable) {
|
14 | var set = anObject(this);
|
15 | var newSet = new (speciesConstructor(set, getBuiltIn('Set')))(set);
|
16 | var remover = aFunction(newSet['delete']);
|
17 | var adder = aFunction(newSet.add);
|
18 | iterate(iterable, function (value) {
|
19 | remover.call(newSet, value) || adder.call(newSet, value);
|
20 | });
|
21 | return newSet;
|
22 | }
|
23 | });
|