def cat_eq

bend-collections-laws-crypto@1.0.0.0 · proofs/crypto/ed25519/bytes.bend:47

import Base
import bend-collections-laws-crypto@1.0.0.0/spec/crypto/ed25519.bend as SE
import bend-collections-laws-crypto@1.0.0.0/src/crypto/ed25519/ed25519.bend as E

47def cat_eq(+xs: List<&2, U32>, +ys: List<&2, U32>) -> {E.cat(xs, ys) == SE.cat(xs, ys) : List<&2, U32>}:
48  match xs:
49    case Nil{}:
50      {==}
51    case Con{+x, +xt}:
52      Equal.cong(List<&2, U32>, List<&2, U32>, z => Con{x, z}, E.cat(xt, ys), SE.cat(xt, ys), cat_eq(xt, ys))