BendMlBpeTokenizer.nat_eq_sound: def of bend-ml-bpe-tokenizer@0.1.3.0
Import: import bend-ml-bpe-tokenizer@0.1.3.0/main.bend as BendMlBpeTokenizer
Lines 267-279 of bend-ml-bpe-tokenizer@0.1.3.0/main.bend: https://jend.leeeet.dev/read.txt?path=bend-ml-bpe-tokenizer@0.1.3.0/main.bend&start_line=267&end_line=279

import Base

def nat_eq_sound(a: Nat, b: Nat, e: {True{} == Nat.is_eq(a, b) : Bool}) -> {a == b : Nat}:
  match a b:
    case 0n 0n:
      {==}
    case 0n 1n+q:
      %e : BD(_, Unit, {0n == 1n+q : Nat})
      Unit{}
    case 1n+p 0n:
      %e : BD(_, Unit, {1n+p == 0n : Nat})
      Unit{}
    case 1n+p 1n+q:
      %nat_eq_sound(p, q, e) : {1n+p == 1n+_ : Nat}
      {==}

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat.is_eq
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Unit
  https://jend.leeeet.dev/definition.txt?path=bend-ml-bpe-tokenizer@0.1.3.0/main.bend&name=BD