Function laneToLanes

packages/react-reconciler/src/ReactFiberLane.js:801–803

(lane: Lane)

// Seems redundant, but it changes the type from a single lane (used for
// updates) to a group of lanes (used for flushing work).
export function laneToLanes(lane: Lane): Lanes {
  return lane;
}

export function higherPriorityLane(a: Lane, b: Lane): Lane {
  // This works because the bit ranges decrease in priority as you go left.