def b64.two
import ezx@1.11.0.0/src/sha/nar.bend as Narimport Base
146def b64.two(+first: U32, +second: U32) -> String:
147 +n = (U32.shln(first, 8n) .|. second : U32)
148 SCon{b64.digit(U32.shrn(n, 10n)),
149 SCon{b64.digit((U32.shrn(n, 4n) .&. 63 : U32)),
150 SCon{b64.digit(U32.shln((n .&. 15 : U32), 2n)),
151 SCon{'=', SNil{}}}}}