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HelenHuang
2022-06-09 26a09f08cf1ed43c640879f23fdad56c5c9282f7 
 PAMapp/node_modules/core-js/modules/esnext.set.symmetric-difference.js


@@ -1,7 +1,7 @@


'use strict';


var $ = require('../internals/export');


var IS_PURE = require('../internals/is-pure');


var getBuiltIn = require('../internals/get-built-in');


var call = require('../internals/function-call');


var aCallable = require('../internals/a-callable');


var anObject = require('../internals/an-object');


var speciesConstructor = require('../internals/species-constructor');


@@ -9,14 +9,14 @@




// `Set.prototype.symmetricDifference` method


// https://github.com/tc39/proposal-set-methods


$({ target: 'Set', proto: true, real: true, forced: IS_PURE }, {


$({ target: 'Set', proto: true, real: true, forced: true }, {


  symmetricDifference: function symmetricDifference(iterable) {


    var set = anObject(this);


    var newSet = new (speciesConstructor(set, getBuiltIn('Set')))(set);


    var remover = aCallable(newSet['delete']);


    var adder = aCallable(newSet.add);


    iterate(iterable, function (value) {


      remover.call(newSet, value) || adder.call(newSet, value);


      call(remover, newSet, value) || call(adder, newSet, value);


    });


    return newSet;


  }