ES2017 Async Iteration Example - An example of using Async Iteration in ES2017, read more on my blog at: https://natehub.blogspot.com/2017/05/the-future-of-javascript-and-beyond.html

ES2017_async_iteration_example.js

async function *getOrders(personId) {
	var cursor = db.query( "orders", personId );
	do {
		let record = await cursor.next();
		yield.record;
	} while (!cursor.done);
}

async function printOrders(name) {
	var person = await lookupPerson( name );

	for await (let order of getOrders( person.id )) {
		// ..
	}
}