Function start

src/queue.js:59–71

(q)

}

function start(q) {
  while (q._start = q._waiting && q._active < q._size) {
    var i = q._ended + q._active,
        t = q._tasks[i],
        j = t.length - 1,
        c = t[j];
    t[j] = end(q, i);
    --q._waiting, ++q._active;
    t = c.apply(null, t);
    if (!q._tasks[i]) continue; // task finished synchronously
    q._tasks[i] = t || noabort;
  }
}

function end(q, i) {
  return function(e, r) {