base64.bend fails

raw source on the hub · import 0x6d01c86071ce2c22092b722bcfc6eb98/base64.bend as Base64

2 imports

import Base
import ./bytes.bend as B

The reader could not load this file (at 0x6d01c86071ce2c22092b722bcfc6eb98/base64.bend:41). What bend.ts says:

Error:
- expected : a name (words joined by dots, got 'B64.ch.62')
- observed : 'B64.ch.62'
Location:
40 | 
41>| def B64.ch.62(alpha: B64.Alpha) -> Char:
   |     ^^^^^^^^^
42 |   match alpha: