def decide.file
import ezx@1.11.0.0/src/tool/plan.bend as Planimport Base
import ezx@1.11.0.0/src/tool/world.bend as TW
912# whether the file to build is there, still to ask
913def decide.file(open: List<&2, TW.Ask>, +world: TW.World) -> Verdict:
914 match open:
915 case []:
916 decide.present(present(world), world)
917 case h <> t:
918 Pending{h <> t, []}