def join

bend-collections-laws-crypto@1.0.0.0 · spec/crypto/blake/blake3.bend:239

import Base
import bend-collections-laws-crypto@1.0.0.0/src/crypto/blake/blake3/types.bend as T

239def join(l: T.Out, r: T.Out, alone: Bool) -> T.Out:
240  match alone:
241    case True{}: l
242    case False{}: parent(cv(l),cv(r))