Re: template error messages

From:
"Imre" <imre42@pager.hu>
Newsgroups:
microsoft.public.vc.language
Date:
13 Oct 2006 08:38:09 -0700
Message-ID:
<1160753889.307354.71540@f16g2000cwb.googlegroups.com>
adebaene@club-internet.fr wrote:

template <typename T>
struct S
{
    void F() { T::F(); }
};

int _tmain(int argc, _TCHAR* argv[])
{
    S<int> s;
    // ...
    s.F();
    return 0;
}


If I change sligthly your code so that "T" is a class :

int main()
{

   S<std::string> s;
   s.F();
   return 0;
}

then I get another error message:

1>d:\users\adb\dev\temp\test_vc_2005\test_vc_2005.cpp(11) : error
C2039: 'F' : is not a member of 'std::basic_string<_Elem,_Traits,_Ax>'
1> with
1> [
1> _Elem=char,
1> _Traits=std::char_traits<char>,
1> _Ax=std::allocator<char>
1> ]
1> d:\users\adb\dev\temp\test_vc_2005\test_vc_2005.cpp(11) :
while compiling class template member function 'void S<T>::F(void)'
1> with
1> [
1> T=std::string
1> ]
1> d:\users\adb\dev\temp\test_vc_2005\test_vc_2005.cpp(17) : see
reference to class template instantiation 'S<T>' being compiled
1> with
1> [
1> T=std::string
1> ]

Although those errors are quite (too) long, thay are quite clear (at
least for template related stuff....)


I don't think so. There's still no reference at all to the s.F(); line,
it only points out the S<std::string> s; line. If those two weren't
next to each other, I'd be in trouble finding where S<std::string>::F()
is referenced.

    Imre

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