Data pipeline refactoring

Src/Data/Myc.Data.Pipeline.pas

@@ -2,8 +2,6 @@ unit Myc.Data.Pipeline;
 
 interface
 
-{$M+}
-
 uses
     Myc.Signals,
     Myc.Mutable,
@@ -13,12 +11,12 @@ type
     TTag = Pointer;
 
     // A generic interface for components that consume data of type T.
-    IConsumer<T> = interface
+    IConsumer<T> = interface(IInvokable)
         function Consume(const Value: T): TState;
     end;
 
     // A producer generates data and distributes it to linked consumers.
-    IProducer<T> = interface
+    IProducer<T> = interface(IInvokable)
         function Link(const Consumer: IConsumer<T>): TTag;
         procedure Unlink(Tag: TTag);
     end;