Re: [boost] [type_traits] copy constructor

Subject: Re: [boost] [type_traits] copy constructor
From: lcaminiti (lorcaminiti_at_[hidden])
Date: 2011-09-29 13:12:18

Vicente Botet wrote:
> 
> Le 29/09/11 04:57, Lorenzo Caminiti a écrit :
>> Hello all,
>>
>> What's the most portable way to detect if a type T is CopyConstructible?
>>
>> Actually, I would need a metafunction that is true_ iff a type T has a
>> const-correct copy construct:
>>
>> T::T( T const&  other) { /* copy this T from the other T */ }
>>
>> (I've been looking at boost::has_trivial_copy and
>> boost::has_nothrow_copy but I wanted to double check with the ML.)
>>
>>
> Hi,
> 
> The proposed Boost.Conversion provides some interesting traits (included 
> in C++11) that you could be interested in.
> is_constructible, is_default_constructible, is_copy_constructible, 
> is_move_constructible as well as is_assignable, is_copy_assignable and 
> is_move_assignable.
> 
> If John is interested in we can work together to include them in
> TypeTraits.
> 

Thanks a lot Vicente. For now, I'm sticking with C++03 but I have a list of
extra features that Boost.Contract could support with C++11 for future work.
I'll add this (important) feature to the list.

--Lorenzo

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