def W4.msb.b
import bend-kit-f64@0.1.0.0/f64.bend as F64import Base
383def W4.msb.b(z: Bool, b: U32, +c: U32, d: U32) -> Maybe<&2, U32>:
384 match z:
385 case False{}:
386 Some{(95 - clz(b) : U32)}
387 case True{}:
388 W4.msb.c(U32.is_zero(c), c, d)