Bytes.same.go: def of lawful-bytes@0.1.1.0
Import: import lawful-bytes@0.1.1.0/bytes.bend as Bytes
Lines 116-126 of lawful-bytes@0.1.1.0/bytes.bend: https://jend.leeeet.dev/read.txt?path=lawful-bytes@0.1.1.0/bytes.bend&start_line=116&end_line=126

import Base
import lawful-bytes@0.1.1.0/defs.bend as D

# ra, rb hold byte i of a and byte j of b; acc says all bytes so far matched.
def same.go(n: Nat, ra: D.Bytes & U32, rb: D.Bytes & U32, +i: U32, +j: U32, acc: Bool) -> D.Bytes & (D.Bytes & Bool):
  match n:
    case 0n:
      (a, x) = ra
      (b, y) = rb
      (a, (b, acc))
    case 1n+k:
      (a, +x) = ra
      (b, +y) = rb
      same.go(k, at(a, (i + 1 : U32)), at(b, (j + 1 : U32)), (i + 1 : U32), (j + 1 : U32), acc && U32.is_eq(x, y))

Uses (10):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.and
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Pair
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Sigma
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.add
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.is_eq
  https://jend.leeeet.dev/definition.txt?path=lawful-bytes@0.1.1.0/bytes.bend&name=at
  https://jend.leeeet.dev/definition.txt?path=lawful-bytes@0.1.1.0/defs.bend&name=Bytes