func sync/atomic.SwapUint32

3 uses

	sync/atomic (current package)
		doc.go#L62: func SwapUint32(addr *uint32, new uint32) (old uint32)

	google.golang.org/grpc/internal/transport
		transport.go#L300: 	return atomic.SwapUint32(&s.headerSent, 1) == 1
		transport.go#L304: 	return streamState(atomic.SwapUint32((*uint32)(&s.state), uint32(st)))