Re: [Doxygen-users] warning at explicit instantiation of overloaded template class member function

[Dimitri v. H. <do...@gm...>]

Hi Harald,

> On 26 Aug 2015, at 15:19 , Heese, Harald <har...@ph...> wrote:
> 
> Hi doxygen,
> 
> I am encountering warnings using Doxygen 1.8.10 for the below example of overloaded template member functions with explicit instantiation of one (or more) of the overloads for specific template types.
> 
> //! a test class with overloaded template members
> class Bar
> {
> public:
>  //! first overload of template member function
>  template <typename T>
>  T foo(T a, int b);
> 
>  //! second overload of template member function
>  template <typename T>
>  T foo(T a, double c);
> };
> 
> //! force instantiation of first overload for type 'short'
> template short Bar::foo<short>(short, int);
> 
> Output
> 
> warning: no matching class member found for
>  template short Bar::foo< short >(short, int)
> Possible candidates:
>  'template < T >
>  T Bar::foo(T a, int b)
>  'template < T >
>  T Bar::foo(T a, double c)
> 
> Is there a way to incorporate the existence of an explicit instantiation (or its accompanying doxygen documentation) in the detailed documentation of the class member (which happens if there are no overloads)?

If you use

//! force instantiation of first overload for type 'short'
template<> short Bar::foo<short>(short, int);

it should work. Note the <> after template. My compiler doesn't even compile the code without it.

Groeten,
  Dimitri