2 var $ = require('../internals/export');
3 var IS_PURE = require('../internals/is-pure');
4 var anObject = require('../internals/an-object');
5 var bind = require('../internals/function-bind-context');
6 var getSetIterator = require('../internals/get-set-iterator');
7 var iterate = require('../internals/iterate');
9 // `Set.prototype.find` method
10 // https://github.com/tc39/proposal-collection-methods
11 $({ target: 'Set', proto: true, real: true, forced: IS_PURE }, {
12 find: function find(callbackfn /* , thisArg */) {
13 var set = anObject(this);
14 var iterator = getSetIterator(set);
15 var boundFunction = bind(callbackfn, arguments.length > 1 ? arguments[1] : undefined);
16 return iterate(iterator, function (value, stop) {
17 if (boundFunction(value, value, set)) return stop(value);
18 }, { IS_ITERATOR: true, INTERRUPTED: true }).result;