Re: [boost] is_range metafunction

Subject: Re: [boost] is_range metafunction
From: Joel Falcou (joel.falcou_at_[hidden])
Date: 2008-10-07 02:52:18

Daniel Walker a écrit :
> Yeah, that's kind of what I was getting at by a compile time eval or
> is_compilable. But those are misnomers. You're not checking validity
> for whole blocks or statements, just single expressions with a given
> type. But yeah, you could wrap the general boilerplate in a
> preprocessor metafunction and maybe call it something like
> BOOST_HAS_EXPRESSION.
<snip>
> For platforms with concept language support, you would use CRFINAE
> instead of expression SFINAE on the two test() functions. At least,
> this is the general idea. I assume something like this would work...
> 

I use this kind of code in a large number of code of my own and already 
have some proper macro. Mayeb i can upload my files somewhere so we can 
check ?