Plan.fuel: def of ezx@1.11.0.0
Import: import ezx@1.11.0.0/src/pub/plan.bend as Plan
Lines 423-430 of ezx@1.11.0.0/src/pub/plan.bend: https://jend.leeeet.dev/read.txt?path=ezx@1.11.0.0/src/pub/plan.bend&start_line=423&end_line=430

import Base
import ezx@1.11.0.0/src/pkg/pkg.bend as K

# the walk's fuel: one step for the entry and one per line of the files it
# was given, since every import it can queue is a line of one of them
def fuel(fs: List<&2, K.Source>) -> Nat:
  match fs:
    case []:
      1n
    case K.Source{_at, text} <> t:
      (List.length(&2, String, String.lines(text)) + fuel(t) : Nat)

Uses (7):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  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=Nat.add
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=String.lines
  https://jend.leeeet.dev/definition.txt?path=ezx@1.11.0.0/src/pkg/pkg.bend&name=Source