def b64.of
import bend-osdev-blowfish@0.1.0.0/check.bend as Checkimport Base
import bend-osdev-cipher-core@0.1.0.0/cipher_core.bend as L
19def b64.of(m: Maybe<&2, L.LcBlock64>) -> L.LcBlock64:
20 match m:
21 case None{}:
22 L.LcBlock64.zero()
23 case Some{b}:
24 b