WordPowerOfTwo.mask: def of stelliferous@0.0.2.0
Import: import stelliferous@0.0.2.0/proofs/word_power_of_two.bend as WordPowerOfTwo
Lines 17-26 of stelliferous@0.0.2.0/proofs/word_power_of_two.bend: https://jend.leeeet.dev/read.txt?path=stelliferous@0.0.2.0/proofs/word_power_of_two.bend&start_line=17&end_line=26

import Base

def mask(+width: Nat,depth: Nat) -> Word(width):
  match width:
    case 0n:
      WNil{}
    case 1n+rest:
      match depth:
        case 0n:
          Word.zero(1n+rest)
        case 1n+previous:
          WCon{True{},mask(rest,previous)}

Uses (6):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Word
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Word.Con
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Word.Nil
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Word.zero