Jwt.unb64u.pad: def of bend-kit-jwt@0.11.0.1
Import: import bend-kit-jwt@0.11.0.1/jwt.bend as Jwt
Lines 122-132 of bend-kit-jwt@0.11.0.1/jwt.bend: https://jend.leeeet.dev/read.txt?path=bend-kit-jwt@0.11.0.1/jwt.bend&start_line=122&end_line=132

import Base

# Padding for n mod 4 chars; 1 is never a whole group, so it gets a NUL.
def unb64u.pad(+r: U32, acc: String) -> String:
  match r:
    case 2:
      SCon{'=', SCon{'=', acc}}
    case 3:
      SCon{'=', acc}
    case 1:
      SCon{Chr{0}, acc}
    case _:
      acc

Uses (6):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  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=Word.Con
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Word.Nil