def b64.of
import bend-osdev-legacy-ciphers@0.1.0.0/check.bend as Checkimport Base
import bend-osdev-legacy-ciphers@0.1.0.0/legacy_ciphers.bend as L
55def b64.of(m: Maybe<&2, L.LcBlock64>) -> L.LcBlock64:
56 match m:
57 case None{}:
58 L.LcBlock64.zero()
59 case Some{b}:
60 b