Scan.hex: def of gralha-text-scan@0.1.0.1
Import: import gralha-text-scan@0.1.0.1/scan.bend as Scan
Lines 249-252 of gralha-text-scan@0.1.0.1/scan.bend: https://jend.leeeet.dev/read.txt?path=gralha-text-scan@0.1.0.1/scan.bend&start_line=249&end_line=252

import Base

def hex(s: String, acc: U32) -> U32:
  match s:
    case SNil{}: acc
    case SCon{Chr{c}, t}: hex(t, (acc * 16 + hex.digit(c) : U32))

Uses (6):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Char
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.add
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.mul
  https://jend.leeeet.dev/definition.txt?path=gralha-text-scan@0.1.0.1/scan.bend&name=hex.digit