[dmd-concurrency] Pattern matching on message receives, error handling

[Sean Kelly]

On Jan 13, 2010, at 10:55 AM, Andrei Alexandrescu wrote:
> 
> For the OO crowd, I think this will be quite useful:
> 
> class Handler
> {
>    bool receive(int x) { ... }
>    bool receive(int x, double y) { ... }
>    bool receive(string s, int x) { ... }
>    ...
> }
> 
> auto h1 = new Handler;
> auto h2 = new Handler;
> receive(h1, h2); // dispatches automatically
>                 // starting from h1
> 
> Sean, may I put this in confidence that you'll find the time to implement it? Walter, we may need some introspection chops for that too.

Sure.  Hopefully tupleof and/or __traits will be enough, but I guess we'll see.