anchor.diff:          world
   
       override this.ProcessActualize ecs world =
  -        let _ = Vsync.RunSynchronously (processParallel (fun system -> system.ProcessPostUpdate ecs))
  +        let _ = Vsync.RunSynchronously (processParallel (fun system -> system.ProcessActualize ecs))
           world
   
       type 'w Ecs with
   
  -        member this.RegisterSubsystem<'t when 't : struct and 't :> Component> systemName subsystemName subsystem =
  +        member this.RegisterSubsystem systemName subsystemName subsystem =
               match this.TryIndexSystem<'w SystemParallel> systemName with
               | Some system -> system.RegisterSubsystem subsystemName subsystem
               | None -> failwith ("Could not find expected system '" + systemName + "'.")
   
  -        member this.UnregisterSubsystem<'t when 't : struct and 't :> Component> systemName subsystemName =
  +        member this.UnregisterSubsystem systemName subsystemName =
               match this.TryIndexSystem<'w SystemParallel> systemName with
               | Some system -> system.UnregisterSubsystem subsystemName
               | None -> failwith ("Could not find expected system '" + systemName + "'.")
positive.code: open System.Collections.Concurrent
  open System.Collections.Generic
  open System.IO
  open System.Threading
  open System.Threading.Tasks
  open Prime
  
  
negative.code:             &system.Component
  
  /// An Ecs system with components stored by a raw index.
  type [<AbstractClass>] SystemUncorrelated<'t, 'w when 't : struct and 't :> Component> () =
      inherit SystemMany<'w> ()
  
  