Re: [Boost-users] [MPL] implementing a "trait"?

Subject: Re: [Boost-users] [MPL] implementing a "trait"?
From: John M. Dlugosz (ngnr63q02_at_[hidden])
Date: 2014-02-04 13:44:30

On 2/4/2014 12:24 PM, Rodrigo Madera wrote:
> namespace john {
>      template <typename T>
>      struct is_pretty : boost::false_type {};
>
>      template <>
>      struct is_pretty<foo> : boost::true_type {};
>
>      template <>
>      struct is_pretty<bar> : boost::true_type {};
>
>      // ...
> }
>

That's pretty much what I started with, but it doesn't handle automatic inheritance as the 
main template is used for anything not exactly specialized.  And I don't like that it 
would require specializing a template in another namespace, which is awkward at best.