const sync.dequeueBits

8 uses

	sync (current package)
		poolqueue.go#L51: const dequeueBits = 32
		poolqueue.go#L58: const dequeueLimit = (1 << dequeueBits) / 4
		poolqueue.go#L66: 	const mask = 1<<dequeueBits - 1
		poolqueue.go#L67: 	head = uint32((ptrs >> dequeueBits) & mask)
		poolqueue.go#L73: 	const mask = 1<<dequeueBits - 1
		poolqueue.go#L74: 	return (uint64(head) << dequeueBits) |
		poolqueue.go#L83: 	if (tail+uint32(len(d.vals)))&(1<<dequeueBits-1) == head {
		poolqueue.go#L105: 	atomic.AddUint64(&d.headTail, 1<<dequeueBits)