Font.ttf.valid: def of gralha-truetype@0.1.0.1
Import: import gralha-truetype@0.1.0.1/font.bend as Font
Lines 127-129 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=127&end_line=129

import Base

def ttf.valid(+f: TTFont) -> Bool:
  TTFont{glyf, loca, long, hmtx, metrics, glyphs, units} = f
  U32.is_ne(glyf, 0) && U32.is_ne(loca, 0) && U32.is_ne(hmtx, 0) && U32.is_gt(metrics, 0) && F32.is_gt(units, 0.0)

Uses (6):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool.and
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=F32.is_gt
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.is_gt
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.is_ne
  https://jend.leeeet.dev/definition.txt?path=gralha-truetype@0.1.0.1/font.bend&name=TTFont