Font.ttf.stack.done: def of gralha-truetype@0.1.0.1
Import: import gralha-truetype@0.1.0.1/font.bend as Font
Lines 386-390 of gralha-truetype@0.1.0.1/font.bend: https://jend.leeeet.dev/read.txt?path=gralha-truetype@0.1.0.1/font.bend&start_line=386&end_line=390

import Base

def ttf.stack.done(stack: List<&2, TTFrame>) -> Bool:
  match stack:
    case Nil{}: True{}
    case Con{frame, Nil{}}: U32.is_eq(ttf.frame.at(frame), 0)
    case Con{frame, Con{parent, rest}}: False{}

Uses (5):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.is_eq
  https://jend.leeeet.dev/definition.txt?path=gralha-truetype@0.1.0.1/font.bend&name=TTFrame
  https://jend.leeeet.dev/definition.txt?path=gralha-truetype@0.1.0.1/font.bend&name=ttf.frame.at