Re: [boost] [type traits] possible bug in boost::is_convertible for types with private copy constructors

From: David Abrahams (dave_at_[hidden])
Date: 2008-06-26 13:30:52

Howard Hinnant wrote:
> On Jun 26, 2008, at 12:33 PM, David Abrahams wrote:
> 
>> At least one thing is clear: is_convertible shouldn't ever cause a
>> compile-time error.  If one of the possible implementations always
>> avoids a compile-time error, I vote for that one.
> 
> I believe the only time you can get a compile-time error out of
> is_convertible is if you use it with types which fail to meet these
> requirements:
> 
>> From and To shall be complete types, arrays of unknown bound, or
>> (possibly cv-qualified) void types.
> 

Just look back at the first message of this thread for a counterexample.

-- 
Dave Abrahams
BoostPro Computing
http://www.boostpro.com