Re: [boost] [fusion] unpack into constructor?

From: Eric Niebler (eric_at_[hidden])
Date: 2007-06-14 14:34:31

Tobias Schwinger wrote:
> Eric Niebler wrote:
>>>> Is the sort of thing you are looking for?
>>>>
>>>> fused_ctor<T> fc;
>>>> T t = fc(sequence);
>>
>> Yes, that's the thing.
> 
> OK, but why duplicate the unpacking of the Sequence?
> 
> All it takes is yet another adapter encapsulating a type's ctor(s) in a 
> function object to just use fusion::(invoke|fused)_function_object. E.g:
> 
<snip>
> 
> Client code (at function scope):
> 
>     invoke_function_object( ctor<my_class>(), argseq );

Yes, that's exactly it. Now, put it in Fusion so I don't have to write a 
function object with N overloads. :-)

-- 
Eric Niebler
Boost Consulting
www.boost-consulting.com