Procs

proc b64encode(s, altchars: string): string {.
    ...raises: [Exception, ValueError, OSError, IOError, EOFError, KeyError],
    tags: [RootEffect].}

proc b64encode(s: string): string {....raises: [Exception, ValueError, OSError,
    IOError, EOFError, KeyError], tags: [RootEffect].}

proc b64decode(s, altchars: string; validate = false): string {.
    ...raises: [Exception, ValueError, OSError, IOError, EOFError, KeyError],
    tags: [RootEffect].}

proc b64decode(s: string): string {....raises: [Exception, ValueError, OSError,
    IOError, EOFError, KeyError], tags: [RootEffect].}

proc standard_b64encode(s: string): string {.
    ...raises: [Exception, ValueError, OSError, IOError, EOFError, KeyError],
    tags: [RootEffect].}

proc standard_b64decode(s: string): string {.
    ...raises: [Exception, ValueError, OSError, IOError, EOFError, KeyError],
    tags: [RootEffect].}

proc urlsafe_b64encode(s: string): string {.
    ...raises: [Exception, ValueError, OSError, IOError, EOFError, KeyError],
    tags: [RootEffect].}

proc urlsafe_b64decode(s: string): string {.
    ...raises: [Exception, ValueError, OSError, IOError, EOFError, KeyError],
    tags: [RootEffect].}

proc b32encode(s: string): string {....raises: [Exception, ValueError, OSError,
    IOError, EOFError, KeyError], tags: [RootEffect].}

proc b32decode(s: string; casefold = false): string {.
    ...raises: [Exception, ValueError, OSError, IOError, EOFError, KeyError],
    tags: [RootEffect].}

proc b32hexencode(s: string): string {....raises: [Exception, ValueError, OSError,
    IOError, EOFError, KeyError], tags: [RootEffect].}

proc b32hexdecode(s: string; casefold = false): string {.
    ...raises: [Exception, ValueError, OSError, IOError, EOFError, KeyError],
    tags: [RootEffect].}

proc b16encode(s: string): string {....raises: [Exception, ValueError, OSError,
    IOError, EOFError, KeyError], tags: [RootEffect].}

proc b16decode(s: string; casefold = false): string {.
    ...raises: [Exception, ValueError, OSError, IOError, EOFError, KeyError],
    tags: [RootEffect].}

proc a85encode(s: string): string {....raises: [Exception, ValueError, OSError,
    IOError, EOFError, KeyError], tags: [RootEffect].}

proc a85decode(s: string): string {....raises: [Exception, ValueError, OSError,
    IOError, EOFError, KeyError], tags: [RootEffect].}

proc b85encode(s: string; pad = false): string {.
    ...raises: [Exception, ValueError, OSError, IOError, EOFError, KeyError],
    tags: [RootEffect].}

proc b85decode(s: string): string {....raises: [Exception, ValueError, OSError,
    IOError, EOFError, KeyError], tags: [RootEffect].}

proc decodebytes(s: string): string {....raises: [Exception, ValueError, OSError,
    IOError, EOFError, KeyError], tags: [RootEffect].}

proc encodebytes(s: string): string {....raises: [Exception, ValueError, OSError,
    IOError, EOFError, KeyError], tags: [RootEffect].}