TypeInfo.compare is not implemented

[Shammah Chancellor]

On 2013-11-30 13:39:15 +0000, Leandro Motta Barros said:

> Hello,
> 
> I my FewDee game prototyping library (https://bitbucket.org/lmb/fewdee) 
> I ignored most of the usual reccomendations like "be careful with the 
> GC, it's slow" and "associative arrays are buggy in D, so avoid them". 
> I just used whatever I found convenient to have my stuff running with 
> minimal effort.
> 
> So, I did something that may be an abuse of D's associative arrays:
> 
> alias
>   Tuple!(const(GameState), ALLEGRO_EVENT_TYPE)
>   stateTypePair;
> 
> // GameState is a class, ALLEGRO_EVENT_TYPE is
> // some integral data type
> 
> EventHandler[EventHandlerID][stateTypePair]
>    _eventHandlers;
> 
> // EventHandler is a delegate. EventHandlerID is
> // an integral type.
> 
> This used to work (surprisingly? :-) ) until very recently (when I 
> upgraded to DMD 2.064, it seems).
> 
> Now, I am getting this
> 
>    object.Error: TypeInfo.compare is not implemented
> 
> when I try to use my '_eventHandlers' AA.
> 
> So, any suggestions?
> 
> Thanks a lot!
> 
> LMB

DMD version?  Can you post a reduced example which produces the error.  
I can't tell where a typeinfo would be getting used from that example.

-Shammah