duplInheritedMember false postitive with templates

[Steve Albright]

Ignore that the code doesn't fully compile because of not actually being used (so it can't find the template type).

The template seems to be confusing they check

warning: duplInheritedMember - The class 'DupExampleImplementation' defines member function with name 'GetValue' also defined in its parent class 'DupExampleInterface'

class DupExampleInterface
{
public:
   virtual ~DupExampleInterface() = default;

   virtual const QVariant& GetValue(int key) const = 0;
};

class DupExampleImplementation: public DupExampleInterface
{
public:
   ~DupExampleImplementation() override = default;

   template<class T>
   T GetValue(int key) const
   {
      const QVariant& v = GetValue(key);
      return v.value<T>();
   }
};

[CHR]

So the idea is that the template parameters prevent any confusion between the two functions? Otherwise this looks like a true positive to me.

[Steve Albright]

If you put override on the duplicate function, you get a compile error.

The base is pure virtual and therefore has to be implemented and since there is no compile error it apparently is.

So, I don't see a way to make this work without maybe adding specializations (which I don't want to do and seems odd if to fix this issue cppcheck would require it on compiling code).