def li.drop_append

bend-osdev-mode-core@0.1.0.0 · PROOF.bend:130

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

130def li.drop_append(+a: List<&2, U32>, +b: List<&2, U32>) -> {B.drop(B.len(a), B.append(a, b)) == b : List<&2, U32>}:
131  match a:
132    case Nil{}:
133      {==}
134    case Con{+h, +t}:
135      li.drop_append(t, b)