Re: [Boost-users] [type traits] Extension to operator detection -> choose your preferred naming

Subject: Re: [Boost-users] [type traits] Extension to operator detection -> choose your preferred naming
From: Dave Abrahams (dave_at_[hidden])
Date: 2011-08-24 12:58:54

on Tue Aug 23 2011, Frédéric Bron <frederic.bron-AT-m4x.org> wrote:

> It is time to include the type trait extension to the official boost trunk.
> These traits can detect if you can use a given operator with given arguments.
>
> For example: has_plus<double, int>::value is true because the
> following program compiles without error:
> double lhs;
> int rhs;
> lhs+rhs;

This checks for the ability to add lvalues.  Is there a way to check for
rvalues?  Just curious.

> We have come to three proposed lists of names (A, B and C):
> https://svn.boost.org/trac/boost/wiki/GuideLines/Naming/OperatorTraitNames
> I have included the corresponding names of standard keywords, standard
> function objects from <functional>, boost Proto and boost Operators.
>
> Please give your preference between A, B and C before Sept. 5th.

C

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