def tr.split_fin_nil
import bend-osdev-cipher-modes@0.1.0.0/PROOF.bend as PROOFimport Base
import bend-osdev-cipher-modes@0.1.0.0/cipher_modes.bend as M
929def tr.split_fin_nil(+s: M.CmSplit) -> {tr.split_fin(Nil{}, s) == s : M.CmSplit}:
930 match s:
931 case M.CmSplit{bs, t}:
932 {==}