Function defineIteratorMethods

docs/app/js/sanddance-app.js:53241–53251

(prototype)

    NativeIteratorPrototype && NativeIteratorPrototype !== Op && hasOwn.call(NativeIteratorPrototype, iteratorSymbol) && (IteratorPrototype = NativeIteratorPrototype);
    var Gp = GeneratorFunctionPrototype.prototype = Generator.prototype = Object.create(IteratorPrototype);
    function defineIteratorMethods(prototype) {
        [
            "next",
            "throw",
            "return"
        ].forEach(function(method) {
            define(prototype, method, function(arg) {
                return this._invoke(method, arg);
            });
        });
    }
    function AsyncIterator(generator, PromiseImpl) {
        function invoke(method, arg, resolve, reject) {
            var record = tryCatch(generator[method], generator, arg);