Re: [boost] Re: Re: Re: [optional] update

From: Hamish Mackenzie (hamish_at_[hidden])
Date: 2003-09-12 02:53:31

On Fri, 2003-09-12 at 04:16, Eric Friedman wrote:
> Hamish Mackenzie wrote:
> > On Thu, 2003-09-11 at 12:11, Markus Werle wrote:
> > > Probably overloading using boost::enable_if is a solution in this case.
> >
> > Good call that makes it much nicer.
> >
> > Is there something similar for using with template classes?  Something
> like
> >
> > template< typename T >
> > class my_class : enable_if< is_same< T, x >::value >
> > {
> > };
> 
> Isn't this written as
> 
>   template <>
>   class my_class<x>
>   {
>   };
> 
> ?

Yes, that was a bad example replace the is_same< T, x >::value with a
more complex expression.

Hamish