PROOF.append_nil: def of bend-osdev-crypto@0.1.0.0
Import: import bend-osdev-crypto@0.1.0.0/PROOF.bend as PROOF
Lines 468-474 of bend-osdev-crypto@0.1.0.0/PROOF.bend: https://jend.leeeet.dev/read.txt?path=bend-osdev-crypto@0.1.0.0/PROOF.bend&start_line=468&end_line=474

import Base

def append_nil(xs: List<&2, U32>) -> {xs == List.append(&2, U32, xs, Nil{}) : List<&2, U32>}:
  match xs:
    case Nil{}:
      {==}
    case Con{h, t}:
      %append_nil(t) : {Con{h, t} == Con{h, _} : List<&2, U32>}
      {==}

Uses (3):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List.append
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32