Font.ttf.classdef.ranges: def of gralha-truetype@0.1.0.1
Import: import gralha-truetype@0.1.0.1/font.bend as Font
Lines 618-629 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=618&end_line=629

import Base
import gralha-text-scan@0.1.0.1/scan.bend as U
import gralha-bytes@0.1.0.1/bytes.bend as Bin

def ttf.classdef.ranges(+b: Bin.Bytes, fuel: Nat, +base: U32, +lo: U32, +hi: U32, +gid: U32) -> U32:
  match fuel:
    case 0n: 0
    case 1n+d:
      +dd = d
      +mid = U32.div((lo + hi : U32), 2)
      +at = (base + mid * 6 : U32)
      +start = ttf.u16(b, at)
      +end = ttf.u16(b, (at + 2 : U32))
      U.branch(U32, U32.is_ge(lo, hi), _ => 0,
        _ => U.branch(U32, U32.is_lt(gid, start), _ => ttf.classdef.ranges(b, dd, base, lo, mid, gid),
          _ => U.branch(U32, U32.is_gt(gid, end), _ => ttf.classdef.ranges(b, dd, base, (mid + 1 : U32), hi, gid), _ => ttf.u16(b, (at + 4 : U32)))))

Uses (11):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  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.div
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.is_ge
  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_lt
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32.mul
  https://jend.leeeet.dev/definition.txt?path=gralha-bytes@0.1.0.1/bytes.bend&name=Bytes
  https://jend.leeeet.dev/definition.txt?path=gralha-text-scan@0.1.0.1/scan.bend&name=branch
  https://jend.leeeet.dev/definition.txt?path=gralha-truetype@0.1.0.1/font.bend&name=ttf.u16