Re: [boost] [lambda] Re: boost::factory?

From: Tobias Schwinger (tschwinger_at_[hidden])
Date: 2007-06-18 16:14:07

Eric Niebler wrote:
> Tobias Schwinger wrote:
>> Marcus Lindblom wrote:
>>> Tobias Schwinger wrote:
>>>> Dear Boost community,
>>>>
>>>> do we have a function object template to wrap arbitrary constructor 
>>>> calls / operator new expressions somewhere in Boost, already?
>>>>   
>>> lambda::new_ptr ?
>> Yep, 'new_ptr' and 'constructor' are almost exactly what I want.
>>
>> Those templates are missing a 'result_type' typedef to become usable as 
>> "stand-alone function objects" (outside of Boost.Lambda expressions).
>>
>> Further, the limits are a bit too low for constructing Fusion Sequences 
>> and having them configurable would be nice to have, too...
> 
> Yes and IMO these things should be called new_ and construct.
> 

Yep, 'new_ptr' is sorta strange ;-).

I'm not too convinced that 'construct' gives a better name than 
'constructor', because looking at

    construct<T>()

I get the impression that something gets constructed, but in reality 
it's just about capturing T's constructor in order to pass it around.

Regards,
Tobias