PROOFPadded.pd.nil: def of bend-osdev-cbc@0.1.0.0
Import: import bend-osdev-cbc@0.1.0.0/PROOF_padded.bend as PROOFPadded
Lines 86-91 of bend-osdev-cbc@0.1.0.0/PROOF_padded.bend: https://jend.leeeet.dev/read.txt?path=bend-osdev-cbc@0.1.0.0/PROOF_padded.bend&start_line=86&end_line=91

import Base
import bend-osdev-bytes@0.1.1.0/bytes.bend as B

def pd.nil(xs: List<&2, U32>) -> {B.len(xs) == 0n : Nat} -> {xs == Nil{} : List<&2, U32>}:
  match xs:
    case Nil{}:
      h => {==}
    case Con{x, t}:
      h => Empty.absurd({Con{x, t} == Nil{} : List<&2, U32>}, pd.nd(B.len(t), h))

Uses (6):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Empty.absurd
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/bytes.bend&name=len
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-cbc@0.1.0.0/PROOF_padded.bend&name=pd.nd