Text.hex.emit: def of bend-toon-codec@0.1.0.0
Import: import bend-toon-codec@0.1.0.0/src/text.bend as Text
Lines 222-227 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=222&end_line=227

import Base

def hex.emit(+m: Maybe<&2, U32>, +k: U32, +acc: U32) -> Ek:
  match m:
    case None{}:
      EkErr{"invalid \\u escape"}
    case Some{h}:
      ek.pick(U32.is_eq(k, 1), unit.emit((((acc << 4n) : U32) + h : U32)), EkNone{})

Uses (8):
  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.add
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.is_eq
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.shln
  https://jend.leeeet.dev/definition.txt?path=bend-toon-codec@0.1.0.0/src/text.bend&name=Ek
  https://jend.leeeet.dev/definition.txt?path=bend-toon-codec@0.1.0.0/src/text.bend&name=ek.pick
  https://jend.leeeet.dev/definition.txt?path=bend-toon-codec@0.1.0.0/src/text.bend&name=unit.emit