PROOF.pl.x: def of bend-osdev-gf@0.1.1.0
Import: import bend-osdev-gf@0.1.1.0/PROOF.bend as PROOF
Lines 402-409 of bend-osdev-gf@0.1.1.0/PROOF.bend: https://jend.leeeet.dev/read.txt?path=bend-osdev-gf@0.1.1.0/PROOF.bend&start_line=402&end_line=409

import Base

def pl.x(ps: List<&2, GfPb>) -> List<&2, Bool>:
  match ps:
    case Nil{}:
      Nil{}
    case Con{h, rest}:
      match h:
        case GfPb{s, t}:
          Con{Bool.xor(s, t), pl.x(rest)}

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=Bool.xor
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-gf@0.1.1.0/PROOF.bend&name=GfPb