Nar.b64.one: def of ezx@1.13.0.0
Import: import ezx@1.13.0.0/src/sha/nar.bend as Nar
Lines 141-144 of ezx@1.13.0.0/src/sha/nar.bend: https://jend.leeeet.dev/read.txt?path=ezx@1.13.0.0/src/sha/nar.bend&start_line=141&end_line=144

import Base

def b64.one(+first: U32) -> String:
  SCon{b64.digit(U32.shrn(first, 2n)),
    SCon{b64.digit(U32.shln((first .&. 3 : U32), 4n)),
      SCon{'=', SCon{'=', SNil{}}}}}

Uses (7):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Char
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.and
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.shln
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.shrn
  https://jend.leeeet.dev/definition.txt?path=ezx@1.13.0.0/src/sha/nar.bend&name=b64.digit