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- 'use strict';
- var $ = require('../internals/export');
- var IS_PURE = require('../internals/is-pure');
- var anObject = require('../internals/an-object');
- var getSetIterator = require('../internals/get-set-iterator');
- var iterate = require('../internals/iterate');
- // `Set.prototype.join` method
- // https://github.com/tc39/proposal-collection-methods
- $({ target: 'Set', proto: true, real: true, forced: IS_PURE }, {
- join: function join(separator) {
- var set = anObject(this);
- var iterator = getSetIterator(set);
- var sep = separator === undefined ? ',' : String(separator);
- var result = [];
- iterate(iterator, result.push, result, false, true);
- return result.join(sep);
- }
- });
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