Generator/iterator

switchGenerator.js

function generator() {
	var loc = 0;
	const state = { done: false, value: undefined };
	const iterator = {
		next: function() {
			switch(loc) {
        			case 0:
				console.log("Hello World");
				loc++;
        			break;
				case 1:
				console.log("Goodbye MoonMan");
				loc++;
				break;
				case 2:
				console.log("What's up, doc?");
				state.done = true;
				loc++;
			}
			return state;
		}
	};
	return iterator;
}