Kex.unless_zero: def of bend-collections-laws-crypto@1.0.0.0
Import: import bend-collections-laws-crypto@1.0.0.0/spec/crypto/kex.bend as Kex
Lines 19-24 of bend-collections-laws-crypto@1.0.0.0/spec/crypto/kex.bend: https://jend.leeeet.dev/read.txt?path=bend-collections-laws-crypto@1.0.0.0/spec/crypto/kex.bend&start_line=19&end_line=24

import Base

def unless_zero(ss: List<&2, U32>, z: Bool) -> Maybe<&2, List<&2, U32>>:
  match z:
    case True{}:
      None{}
    case False{}:
      Some{ss}

Uses (4):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32