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'use strict';
var anObject = require('../internals/an-object');
var aFunction = require('../internals/a-function');
// https://github.com/tc39/collection-methods
module.exports = function (/* ...elements */) {
var set = anObject(this);
var adder = aFunction(set.add);
for (var k = 0, len = arguments.length; k < len; k++) {
adder.call(set, arguments[k]);
}
return set;
};