def Map.msb.u.if
import Base2685def Map.msb.u.if(p: Nat, x2: U32, z: Bool) -> Nat:
2686 match z:
2687 case True{}:
2688 0n
2689 case False{}:
2690 Nat.add(1n, Map.msb.u(p, U32.shr(x2)))
import Base2685def Map.msb.u.if(p: Nat, x2: U32, z: Bool) -> Nat:
2686 match z:
2687 case True{}:
2688 0n
2689 case False{}:
2690 Nat.add(1n, Map.msb.u(p, U32.shr(x2)))