Re: [boost] is_enum?

From: Howard Hinnant (hinnant_at_[hidden])
Date: 2001-03-17 13:51:12

Oh, wait a minute.  NotAnEnum won't classify as is_enum because it 
involves 2 user-defined implicit conversions, right?

Very clever!

-Howard

Howard Hinnant wrote on 3/17/01 1:33 PM
>Just browsing composite_traits.hpp and is_enum.  My compiler (Metrowerks) 
>doesn't support is_convertible (at least I don't  think it will, haven't 
>actually tried).  But I was wondering if the following class might 
>mistakenly be classified as an enum?
>
>struct NotAnEnum
>{
>     operator int() const {return 0;}
>};