Compiler Error C2989
Visual Studio 2010
'class' : class type has already been declared as a non-class type
The class generic or template redefines a non-template or non-generic class. Check header files for conflicts.
If you are using class template partial specializations, see Knowledge Base article Q240866.
The following sample generates C2989:
// C2989.cpp
// compile with: /c
class C{};
template <class T>
class C{}; // C2989
class C2{};
C2989 can also occur when using generics:
// C2989b.cpp // compile with: /clr /c ref class GC1; generic <typename T> ref class GC1; // C2989 template <typename T> ref class GC2; generic <typename T> ref class GC2; // C2989 generic <typename T> ref class GCb; template <typename T> ref class GC2; generic <typename T> ref class GCc;
