Re: [boost] [futures] boost::futures - operator&& operator||

From: Braddock Gaskill (braddock_at_[hidden])
Date: 2007-03-16 05:29:03

On Fri, 16 Mar 2007 08:23:38 +0100, Oliver.Kowalke wrote:
> I still believe that futures should be combinable via operator&& and
> operator|| - for users of the boost::future library is it more intuitive

I'm open to this idea - just waiting for the dust to settle on exactly how it
should work.  If you make real-life use of these composition operators, you
could help with your most complex real-life usage example.

braddock

> that the resulting future of an future comination contains the result
> instead of future<bool> and be force to check all related futures for
> their return status and return value. 
> I would prefer following syntax:
> 
> promise< T1 > p1;
> future< T1 > f1( p1);
> promise< T2 > p2;
> future< T2 > f2( p2);
> promise< T3 > p3;
> future< T3 > f3( p3);
> 
> future< tuple< T1, T2, T3 > f( f1 && f2 && f3);
> future< variant< T1, T2, T3 > f( f1 || f2 || f3);
> future< tuple< T1, T2, T3 > f( f1 && f2 && f3);
> future< variant< tuple< T1, T2>, T3 > f( f1 && f2 || f3);
> 
> as Hartmut suggested.
> 
> regards, Oliver
> 
> _______________________________________________
> Unsubscribe & other changes: http://lists.boost.org/mailman/listinfo.cgi/boost