Possible Duplicates:
Function overloading by return type?
Puzzle: Overload a C++ function according to the return value

Because I have a library which exposes a bunch of functions in the form of: 

bool GetVal();
double GetVal();
int GetVal();
long GetVal();
//So on.

And now I have to wrap these. I'd rather not rewrite the same set of functions again. I'd like to do something like

template<class T>
T GetVal(){}

But I can't seem to get this working. Any ideas?

c++ types return overloading
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