def hex.all
import ezx@1.11.0.0/src/lock/lock.bend as Lockimport Base
145def hex.all(text: String) -> Bool:
146 match text:
147 case SNil{}:
148 True{}
149 case SCon{+h, t}:
150 +rest = hex.all(t)
151 Bool.and(hex.char(h), rest)