def present

bendvy-ecs-core@0.1.0.4 · ordinary_dump_eligibility.bend:11

import Base
import bendvy-ecs-core@0.1.0.4/schema_fragments.bend as Fragment
import bendvy-ecs-core@0.1.0.4/ordinary_dump_filter.bend as Filter

11def present(~S:Data,pairs:List<&1,Fragment.Entry<S> & Maybe<&2,U32>>) -> List<&2,Filter.Value>:
12  match pairs:
13    case []:[]
14    case (Fragment.Entry{Fragment.Component{},key,_},Some{count}) <> rest:present_choice(~S,key,present(~S,rest),U32.is_eq(count,0))
15    case _ <> rest:present(~S,rest)