Decode.fuel: def of bend-toon-codec@0.1.0.0
Import: import bend-toon-codec@0.1.0.0/src/decode.bend as Decode
Lines 42-48 of bend-toon-codec@0.1.0.0/src/decode.bend: https://jend.leeeet.dev/read.txt?path=bend-toon-codec@0.1.0.0/src/decode.bend&start_line=42&end_line=48

import Base
import bend-toon-codec@0.1.0.0/src/frame.bend as F

# The stack height: enough steps to close every frame.
def fuel(+r: Result<&2, &2, String, F.St>) -> Nat:
  match r:
    case Done{F.St{stk, root, bmin}}:
      List.length(&2, F.Fr, stk)
    case Fail{e}:
      0n

Uses (6):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List.length
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Nat
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Result
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=bend-toon-codec@0.1.0.0/src/frame.bend&name=Fr
  https://jend.leeeet.dev/definition.txt?path=bend-toon-codec@0.1.0.0/src/frame.bend&name=St