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Last change
on this file was 79a0317, checked in by stefan toskovski <stefantoska84@…>, 2 weeks ago |
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F4 Finalna Verzija
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File size:
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| [79a0317] | 1 | 'use strict';
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| 2 | var aSet = require('../internals/a-set');
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| 3 | var SetHelpers = require('../internals/set-helpers');
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| 4 | var clone = require('../internals/set-clone');
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| 5 | var getSetRecord = require('../internals/get-set-record');
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| 6 | var iterateSimple = require('../internals/iterate-simple');
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| 7 |
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| 8 | var add = SetHelpers.add;
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| 9 | var has = SetHelpers.has;
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| 10 | var remove = SetHelpers.remove;
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| 11 |
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| 12 | // `Set.prototype.symmetricDifference` method
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| 13 | // https://github.com/tc39/proposal-set-methods
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| 14 | module.exports = function symmetricDifference(other) {
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| 15 | var O = aSet(this);
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| 16 | var keysIter = getSetRecord(other).getIterator();
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| 17 | var result = clone(O);
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| 18 | iterateSimple(keysIter, function (e) {
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| 19 | if (has(O, e)) remove(result, e);
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| 20 | else add(result, e);
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| 21 | });
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| 22 | return result;
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| 23 | };
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