Re: [boost] Metrowerks: member template specialization problem

From: Howard Hinnant (hinnant_at_[hidden])
Date: 2004-05-27 08:33:00

On May 27, 2004, at 3:20 AM, Vladimir Prus wrote:

>
> I get the following error from metrowerks:
>
>      http://tinyurl.com/2z6st
>
> It seems that given:
>
>     template<>
>     bool
>     basic_config_file_iterator<wchar_t>::getline(std::string& s);
>
>     template<class charT>
>     bool
>     basic_config_file_iterator<charT>::getline(std::string& s)
>     {
>         return std::getline(*is, s);
>     }
>
> Metrowerks decides to use the second, unspecialized version, even for
> basic_config_file_iterator<wchar_t>, and this surely fails to compile.
>
> Anybody knows what could be the reason? The entire header which causes 
> the
> error can be found at:
>
>     http://tinyurl.com/2rapj

I've sent a reduced test case to the Metrowerks front end engineer.  In 
the meantime I can think of two workarounds:

1.  Specialize the entire basic_config_file_iterator class on wchar_t.
or
2.  Provide an inlined definition for the specialized member in the 
header.

-Howard