Text.hex.pick: def of bend-toon-codec@0.1.0.0
Import: import bend-toon-codec@0.1.0.0/src/text.bend as Text
Lines 157-166 of bend-toon-codec@0.1.0.0/src/text.bend: https://jend.leeeet.dev/read.txt?path=bend-toon-codec@0.1.0.0/src/text.bend&start_line=157&end_line=166

import Base

def hex.pick(+dg: Bool, +lo: Bool, +up: Bool, +c: U32) -> Maybe<&2, U32>:
  match dg lo up:
    case True{} _ _:
      Some{(c - 48 : U32)}
    case False{} True{} _:
      Some{(c - 87 : U32)}
    case False{} False{} True{}:
      Some{(c - 55 : U32)}
    case _ _ _:
      None{}

Uses (4):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Maybe
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.sub