Re: [boost] Re: A couple of issues in submitting typelists to boost

From: Beman Dawes (bdawes_at_[hidden])
Date: 2001-11-26 08:56:15

At 08:01 AM 11/26/2001, John Maddock wrote:

 >>I like Vesa's approach:
 >
 >   is< D >::derived_from< B >::value
 >   is< B >::base_of< D >::value
 >
 >Is it possible to make this work on most compilers?
 ><
 >
 >Probably, however there are some people you use type traits as compile 
time
 >predicates (see http://www.oonumerics.org/tmpw01/winch.pdf).
 >
 >I also worry about a class with a name "is" being in namespace boost - it
 >looks like it's too likely to clash with something to me?

Worse yet, what happens if and when it goes in the standard?

"is_class" would be a bit less likely to clash.

--Beman