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Re: explicit specialization problem

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On 07/01/2020 23:26, Bonita Montero wrote:
> Why does this work with an older g++ (6.3.0) and not with MSVC:
> 
> #include <iostream>
> 
> using namespace std;
> 
> template<typename T>
> struct My
> {
> };
> 
> template<typename T>
> struct Lib
> {
>       void f();
> };
> 
> template<typename T>
> void Lib<T>::f()
> {
>       cout << "void Lib<T>::f()" << endl;
> }
> 
> template<>
> template<typename T>
> struct Lib<My<T>>
> {
>       void f();
> };
> 
> template<typename T>
> void Lib<My<T>>::f()
> {
>       cout << "void Lib<My<T>>::f()" << endl;
> }
> 
> int main()
> {
>       Lib<My<int>> lmi;
>       lmi.f();
> }
> 
> MSVC:
> x.cpp(22): error C2910: 'Lib<My<T>>': cannot be explicitly specialized
> x.cpp(31): error C2039: 'f': is not a member of 'Lib<My<T>>'
> x.cpp(30): note: see declaration of 'Lib<My<T>>'
> x.cpp(31): error C2447: '{': missing function header (old-style formal
> list?)


Use a more friendly compiler...

$ clang++ -std=c++17 /tmp/x.cc
/tmp/x.cc:22:1: warning: extraneous template parameter list in template 
specialization
template<>
^~~~~~~~~~

-- 
Ian.

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explicit specialization problem Bonita Montero <Bonita.Montero@gmail.com> - 2020-01-07 11:26 +0100
  Re: explicit specialization problem Ian Collins <ian-news@hotmail.com> - 2020-01-08 10:26 +1300
  Re: explicit specialization problem "Alf P. Steinbach" <alf.p.steinbach+usenet@gmail.com> - 2020-01-07 23:23 +0100
    Re: explicit specialization problem Bonita Montero <Bonita.Montero@gmail.com> - 2020-01-08 07:29 +0100
      Re: explicit specialization problem "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2020-01-07 22:34 -0800
        Re: explicit specialization problem Bonita Montero <Bonita.Montero@gmail.com> - 2020-01-08 07:46 +0100
          Re: explicit specialization problem Öö Tiib <ootiib@hot.ee> - 2020-01-07 22:58 -0800
            Re: explicit specialization problem Bonita Montero <Bonita.Montero@gmail.com> - 2020-01-08 10:36 +0100
              Re: explicit specialization problem Öö Tiib <ootiib@hot.ee> - 2020-01-08 03:56 -0800
                Re: explicit specialization problem Bonita Montero <Bonita.Montero@gmail.com> - 2020-01-08 13:00 +0100
                Re: explicit specialization problem Öö Tiib <ootiib@hot.ee> - 2020-01-08 06:02 -0800
                Re: explicit specialization problem Bonita Montero <Bonita.Montero@gmail.com> - 2020-01-08 15:15 +0100
                Re: explicit specialization problem Öö Tiib <ootiib@hot.ee> - 2020-01-08 06:48 -0800
                Re: explicit specialization problem Bonita Montero <Bonita.Montero@gmail.com> - 2020-01-08 15:53 +0100
                Re: explicit specialization problem Öö Tiib <ootiib@hot.ee> - 2020-01-08 07:16 -0800
                Re: explicit specialization problem Manfred <noname@add.invalid> - 2020-01-08 16:28 +0100
                Re: explicit specialization problem Ben Bacarisse <ben.usenet@bsb.me.uk> - 2020-01-08 15:00 +0000
                Re: explicit specialization problem "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2020-01-08 14:44 -0800
                Re: explicit specialization problem Ben Bacarisse <ben.usenet@bsb.me.uk> - 2020-01-09 02:20 +0000
                Re: explicit specialization problem "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2020-01-08 19:42 -0800
                Re: explicit specialization problem Ben Bacarisse <ben.usenet@bsb.me.uk> - 2020-01-09 18:17 +0000
                Re: explicit specialization problem Jorgen Grahn <grahn+nntp@snipabacken.se> - 2020-01-09 19:40 +0000
                Re: explicit specialization problem Ben Bacarisse <ben.usenet@bsb.me.uk> - 2020-01-09 21:21 +0000

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