Function claimNextTransitionLane

docs/index.js:4196–4201

()

  }
}
function claimNextTransitionLane() {
  var lane = nextTransitionLane;
  nextTransitionLane <<= 1;
  0 === (nextTransitionLane & 4194176) && (nextTransitionLane = 128);
  return lane;
}
function claimNextRetryLane() {
  var lane = nextRetryLane;
  nextRetryLane <<= 1;