Re: [sigc] libsigc++ & Forte: template operator()

[Murray Cumming <murrayc murrayc com>]

On Fri, 2004-03-19 at 18:39, martin-ml hippogriff de wrote:
> I think it can be stripped down. The following should do:
> 
> class Thing
> {
>   public:
>   Thing()
>   {}
> 
>   template <class T>
>   void operator()(T a, T b)
>   {
>     T c = a + b;
>     std::cout << c << std::endl;
>   }
> };
> 
> int main(int, char*[])
> {
>   Thing thing_;
>   thing_.template operator()<int>(1, 2);
> }

Thanks. That does succeed with g++ but not with my SUN Forte C++ 5.3 or
5.4. So I have made that a configure-time test. I suggest a quick
tarball release so that Damien can try it on his SUN Forte C+ 5.5.


My SUN Forte C++ 5.3 and 5.4 still get stuck on

CC -DHAVE_CONFIG_H -I.. -I.. -g -c signal.cc  -KPIC -DPIC -o
.libs/signal.o
"../sigc++/functors/functor_trait.h", line 48: Error: Function templates
may not  have default template parameters.
"../sigc++/functors/functor_trait.h", line 48: Error: Templates can only
declare  classes or functions.
"../sigc++/functors/functor_trait.h", line 51: Error: Use ";" to
terminate state ments.


-- 
Murray Cumming
www.murrayc.com
murrayc murrayc com