async-iterator.es6

import Promise from "q"

function* getAsyncIterator() {
  for (let i = 0; i < 10; i++) {
    yield Promise.resolve(i).delay(250);
  }
}

Promise.async(function*() {
  for (let p of getAsyncIterator()) {
    let val = yield p;
    console.log(val);
  }
})().done();