F64.W4.msb.c: def of bend-kit-f64@0.1.0.0
Import: import bend-kit-f64@0.1.0.0/f64.bend as F64
Lines 376-381 of bend-kit-f64@0.1.0.0/f64.bend: https://jend.leeeet.dev/read.txt?path=bend-kit-f64@0.1.0.0/f64.bend&start_line=376&end_line=381

import Base

def W4.msb.c(z: Bool, c: U32, +d: U32) -> Maybe<&2, U32>:
  match z:
    case False{}:
      Some{(63 - clz(c) : U32)}
    case True{}:
      W4.msb.d(U32.is_zero(d), d)

Uses (7):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.is_zero
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.sub
  https://jend.leeeet.dev/definition.txt?path=bend-kit-f64@0.1.0.0/f64.bend&name=W4.msb.d
  https://jend.leeeet.dev/definition.txt?path=bend-kit-f64@0.1.0.0/f64.bend&name=clz