Prev: SetMapMode and MouseMove messages
Next: Dumb C question
From: Bo Persson on 18 Jan 2010 12:04
Vladimir Grigoriev wrote:
> Thanks, Igor.
> However the Standard if I am not mistaken says that there is no any
> difference of using typename and class when template parameters are
> defined, is there?

Correct, but with template template parameters there *is* a
difference.


Bo Persson

>
> Vladimir Grigoriev
>
> "Igor Tandetnik" <itandetnik(a)mvps.org> wrote in message
> news:eKlOZ2FmKHA.1536(a)TK2MSFTNGP06.phx.gbl...
> Vladimir Grigoriev wrote:
>> Why is not compiled the following code in Visual C++ 2005 EE?
>>
>> template <template <typename T, typename A> typename Container,
>> typename T, typename A>
>> inline typename Container<T, A>::size_type size( Container<T, A>
>> &c ) {
>> return ( c.size() );
>> }
>
> You must use the keyword 'class', not 'typename', with template
> template parameters.
>


From: Igor Tandetnik on 18 Jan 2010 12:03
Vladimir Grigoriev wrote:
> However the Standard if I am not mistaken says that there is no any
> difference of using typename and class when template parameters are defined,
> is there?

.... where the syntax allows both. See the grammar in 14.1p1.

Really, given your apparent interest in fine details of the language, I suggest you get a copy of the standard (I have given you the links to free downloads earlier) and learn to read it.
--
With best wishes,
Igor Tandetnik

With sufficient thrust, pigs fly just fine. However, this is not necessarily a good idea. It is hard to be sure where they are going to land, and it could be dangerous sitting under them as they fly overhead. -- RFC 1925
First  |  Prev  | 
Pages: 1 2
Prev: SetMapMode and MouseMove messages
Next: Dumb C question