"use strict";

// Iterable class (computed property and generator method syntax)
const Foo = class Foo {
    *[Symbol.iterator]() {
        yield* [2, 3, 5, 7, 11, 13, 17, 19];
        yield 23;
    };
    get name() {
        return "<<I am Foo>>";
    };
};

// usage
const f = new Foo();
for (let v of f) {
    console.log(f.name, v);
}

// Iterable object
const bar = {
    *[Symbol.iterator]() {
        yield "u";
        yield* ["a", "t", "g", "c"];
    },
    get name() {
        return "<<I am Bar>>";
    },
};

for (let v of bar) {
    console.log(bar.name, v);
}