def word64.is_neg
import bendonnect-rpc@0.1.0.0/src/pb.bend as Pbimport Base
import bend-kit-protobuf@0.1.0.0/protobuf.bend as Pb
70# True when the sign bit (bit 63) is set.
71def word64.is_neg(w: Pb.Word64) -> Bool:
72 Pb.Word64{h, l} = w
73 U32.is_ne((h >> 31n : U32), 0)