PROOF.rev2: def of bend-osdev-crypto@0.1.0.0
Import: import bend-osdev-crypto@0.1.0.0/PROOF.bend as PROOF
Lines 138-143 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=138&end_line=143

import Base
import bend-osdev-crypto@0.1.0.0/stream.bend as St

def rev2(l: List<&2, U32>, +a: List<&2, U32>) -> {St.cr.rev_onto(St.cr.rev_onto(l, a), Nil{}) == St.cr.rev_onto(a, l) : List<&2, U32>}:
  match l:
    case Nil{}:
      {==}
    case Con{h, t}:
      rev2(t, Con{h, a})

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=U32
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-crypto@0.1.0.0/stream.bend&name=cr.rev_onto