type Us
import bend-toon-codec@0.1.0.0/src/text.bend as Textimport Base
13# Unescape state: normal, after a backslash, or reading the hex digits of a
14# \uXXXX escape (`k` digits to go, `acc` so far).
15type Us is Data:
16 UN{}
17 UB{}
18 UH{k: U32, acc: U32}