PROOF.li.mask_drop: def of bend-osdev-cipher-modes@0.1.0.0
Import: import bend-osdev-cipher-modes@0.1.0.0/PROOF.bend as PROOF
Lines 220-229 of bend-osdev-cipher-modes@0.1.0.0/PROOF.bend: https://jend.leeeet.dev/read.txt?path=bend-osdev-cipher-modes@0.1.0.0/PROOF.bend&start_line=220&end_line=229

import Base
import bend-osdev-bytes@0.1.0.0/bytes.bend as B

def li.mask_drop(+n: Nat, +xs: List<&2, U32>) -> {B.mask(B.drop(n, xs)) == B.drop(n, B.mask(xs)) : List<&2, U32>}:
  match n:
    case 0n:
      {==}
    case 1n+p:
      match xs:
        case Nil{}:
          {==}
        case Con{+h, +t}:
          li.mask_drop(p, t)

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/bytes.bend&name=drop
  https://jend.leeeet.dev/definition.txt?path=bend-osdev-bytes@0.1.1.0/bytes.bend&name=mask