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'use strict';
var setPrototypeOf = require('es5-ext/object/set-prototype-of')
, contains = require('es5-ext/string/#/contains')
, d = require('d')
, Iterator = require('es6-iterator')
, toStringTagSymbol = require('es6-symbol').toStringTag
, defineProperty = Object.defineProperty
, SetIterator;
SetIterator = module.exports = function (set, kind) {
if (!(this instanceof SetIterator)) return new SetIterator(set, kind);
Iterator.call(this, set.__setData__, set);
if (!kind) kind = 'value';
else if (contains.call(kind, 'key+value')) kind = 'key+value';
else kind = 'value';
defineProperty(this, '__kind__', d('', kind));
};
if (setPrototypeOf) setPrototypeOf(SetIterator, Iterator);
SetIterator.prototype = Object.create(Iterator.prototype, {
constructor: d(SetIterator),
_resolve: d(function (i) {
if (this.__kind__ === 'value') return this.__list__[i];
return [this.__list__[i], this.__list__[i]];
}),
toString: d(function () { return '[object Set Iterator]'; })
});
defineProperty(SetIterator.prototype, toStringTagSymbol, d('c', 'Set Iterator'));
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