func google.golang.org/grpc/internal/grpcsync.OnceFunc

2 uses

	google.golang.org/grpc/internal/grpcsync (current package)
		oncefunc.go#L27: func OnceFunc(f func()) func() {

	google.golang.org/grpc
		balancer_conn_wrappers.go#L480: 	return pData.producer, grpcsync.OnceFunc(unref)