Tim Caswell's Fiber idea prototyped with Marcel Laverdet's node-fibers

fiber.js

require('fibers');

module.exports = function(fn) {
	Fiber(function() {
		var fiber = Fiber.current;
		var wait = yield;
		var resume = function() {
			fiber.run(arguments);
		};
		fn(resume, wait);
	}).run();
};