Re: [Boost-users] Problem with type traits

21 Jul 2008


      AMDG

Robert Dailey wrote:
...
typename is legal because the or_ is qualified.  It doesn't matter
    that boost::mpl is a namespace.  (Don't you just love these
    intuitive rules)
Mind emphasizing a bit? What do you mean by the or_ being qualified? 
You mean because I access it through namespace scope?
Yes.

Legal:
    typedef typename boost::mpl::or_<...> type;
Not legal:
    using boost::mpl::or_;
    typedef typename or_<...> type;

In Christ,
Steven Watanabe