Jwt.unb64u.c: def of bend-kit-jwt@0.11.0.1
Import: import bend-kit-jwt@0.11.0.1/jwt.bend as Jwt
Lines 106-120 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=106&end_line=120

import Base

# The standard alphabet's char for c. '+', '/', '=' and NUL become NUL, which no decoder accepts.
def unb64u.c(+c: U32) -> U32:
  match c:
    case 45:
      43
    case 95:
      47
    case 43:
      0
    case 47:
      0
    case 61:
      0
    case _:
      c

Uses (4):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  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