Subject: Re: [boost] [Review] Phoenix review starts today, September 21st
From: Joel de Guzman (joel_at_[hidden])
Date: 2008-10-02 07:17:18
Corrado Zoccolo wrote:
> On Wed, Oct 1, 2008 at 3:17 PM, Jeff Flinn <TriumphSprint2000_at_[hidden]>wrote:
>> I'm thinking the construct and new_ lazy functions will be particularly
>> useful. Many of our classes end up in containers and or as output from
>> transformed ranges, and end up with many bound static make functions
>> replicating the constructor arguments. Phoenix "construct" makes all those
>> "make"'s redundant. :)
> I think, too, that those lazy functions would be very useful, and I look
> forward some way to express also placement new.
> Ideally, I would like to delay which version of new is called to the call
> site, so I would need a new2_ lazy function such that
> 'new2_<T>( _1 ) (x)' is still a functor with overloaded operator (), that
> can be called with 0 arguments (normal new behaviour), and with 1 argument
> (placement new), ...
> Would it be generally useful to have a variant of "new_" that returns a
>> shared_ptr directly? Without it one would need:
> Yes, I think this will be very useful.
Yes, and yes! :-)
-- Joel de Guzman http://www.boostpro.com http://spirit.sf.net
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