AES256GCM.aes_nat_eq_step: def of qasim-bend-kit@0.1.0.2
Import: import qasim-bend-kit@0.1.0.2/libs/AES256GCM.bend as AES256GCM
Lines 312-316 of qasim-bend-kit@0.1.0.2/libs/AES256GCM.bend: https://jend.leeeet.dev/read.txt?path=qasim-bend-kit@0.1.0.2/libs/AES256GCM.bend&start_line=312&end_line=316

import Base

def aes_nat_eq_step(+a: Nat, +b: Nat,
                    result: Maybe<&0, {a == b : Nat}>) -> Maybe<&0, {1n+a == 1n+b : Nat}>:
    match result:
        case None{}: None{}
        case Some{proof}: Some{Equal.cong(Nat, Nat, n => 1n+n, a, b, proof)}

Uses (3):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Equal.cong
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat