[boost] Re: typeof

From: Arkadiy Vertleyb (vertleyb_at_[hidden])
Date: 2004-07-13 20:41:03

 Alexander Nasonov <alnsn_at_[hidden]> wrote

> Arkadiy,
> I put a reference to your library to Russian site www.rsdn.ru.
> Shortly after that Andrey Beliakov commented out sizer class.
> He writes that sizeof(sizer<N>) is not necessarily equal to
> N::value. Andrey suggests rewriting the sizer:
>
>     template<class N> struct sizer
>     {
>         typedef char(&type)[N::value];
>     };
>
> and use sizer<N>::type in place of sizer<N>.

Cool!  The only reason I wrote sizer in the first place was because I wasn't
able to return an array from the function.  And it turns out all I had to do
was to use a reference to array...  I will probably eliminate this class,
and use char(&)[n] directly.

Arkadiy