Using enum as template type argument in C++

Question

are there any restrictions / problems using an enum as template (type) argument in C++?

Example:

enum MyEnum
{
    A, B, C, D, E
};

template 

        

Answer 1

Referring to the original question:

are there any restrictions / problems using an enum as template (type) argument in C++?

I didn't find any - and I don't think there are any. It might turn out to be a bad idea because this technique it is not used that often, so there might be a few (more) compiler bugs relating to this, just as Potatoswatter said.
Consider the following example:

enum MyEnum : int
{
    A, B, C, D
};

template  class MyTemplate
{
public:
    void print()
    {
        cout << "not using any specialisation" << endl;
    }
};
    template <> class MyTemplate 
    {
    public:
        void print()
        {
            cout << "MyEnum specialisation" << endl;
        }
    };
    template<> class MyTemplate 
    {
    public:
        void print()
        {
            cout << "int specialisation" << endl;
        }
    };

template  void print(_t param)
{
    MyTemplate<_t> m;
    m.print();
}


int main()
{
    print(A);
    print(5);

    return 0;
}

The output is:

MyEnum specialisation
int specialisation

For these simple examples, everything works fine and as expected and the enum works perfectly as any other type as template type argument (= I don't see any reason for problems).

Originally, I introduced the example in the question to show what I meant with that question (enum as template type argument, show possible usages as member or method argument type and so on). To provide a bit of background, i.e. why I asked that question (imagine I asked "are there any problems with int"), I mentioned these strange problems compiling my actual project.
I'm sorry I could not extract a snippet of it that is complete in itself and reproducing the errors, the least I could get were 2k lines of code splitted into 4 files, where a "syntax error : 'public'" and some other syntax error were raised when I compiled the project, and they appeared / disappeared under certain circumstances, when deleting a comment or re-building (= deleting the intermediate files). Unfortunately, rebuilding does not help with the original project, where I had to replace a specialisation from an enum type to int.

So, thanks everyone for your hints and tips. The underlying problem seems to me to be a compiler bug, what makes the question a bit pointless, as the answer seems to be just "no - there are no restrictions using an enum as template type argument". Sorry for the inconvenience.