World.checked_join: def of bendvy-ecs-core@0.1.0.3
Import: import bendvy-ecs-core@0.1.0.3/world.bend as World
Lines 141-143 of bendvy-ecs-core@0.1.0.3/world.bend: https://jend.leeeet.dev/read.txt?path=bendvy-ecs-core@0.1.0.3/world.bend&start_line=141&end_line=143

import Base
import bendvy-ecs-core@0.1.0.3/clock_state.bend as Clock
import bendvy-ecs-core@0.1.0.3/execution_lifecycle_notices.bend as Notice
import bendvy-ecs-core@0.1.0.3/deferred_command.bend as Deferred
import entity_allocator.bend as A

def checked_join(~S:Data,~C:Type,~R:Type,~E:Data,namespace:U32,store:C,resource:R,events:List<&2,E>,pending:List<Deferred.Command<World<S,C,R,E>>>,registrations:List<&2,RegistrationMeta>,nextSystemId:U32,clock:Clock.State,checked:A.Allocator & Bool,lifecycle:Notice.Journal<S>) -> World<S,C,R,E> & Bool:
  match checked:
    case (allocator,valid):(World{namespace,allocator,store,resource,events,pending,registrations,nextSystemId,clock,lifecycle},valid)

Uses (11):
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Bool
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=List
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Pair
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=Sigma
  https://jend.leeeet.dev/definition.txt?path=Base/base.bend&name=U32
  https://jend.leeeet.dev/definition.txt?path=bendvy-ecs-core@0.1.0.3/clock_state.bend&name=State
  https://jend.leeeet.dev/definition.txt?path=bendvy-ecs-core@0.1.0.3/deferred_command.bend&name=Command
  https://jend.leeeet.dev/definition.txt?path=bendvy-ecs-core@0.1.0.3/entity_allocator.bend&name=Allocator
  https://jend.leeeet.dev/definition.txt?path=bendvy-ecs-core@0.1.0.3/execution_lifecycle_notices.bend&name=Journal
  https://jend.leeeet.dev/definition.txt?path=bendvy-ecs-core@0.1.0.3/world.bend&name=RegistrationMeta
  https://jend.leeeet.dev/definition.txt?path=bendvy-ecs-core@0.1.0.3/world.bend&name=World