C / C++ / MFC

#include <iostreamᡊe9ac73-238b-46be-991d-0f050c37248d#include <typeinfoᡊe9ac73-238b-46be-991d-0f050c37248d#include <stringᡊe9ac73-238b-46be-991d-0f050c37248d
using namespace std;
<br>
template<class Tᡊe9ac73-238b-46be-991d-0f050c37248dclass MyClass
{
	T	_data;

	enum   _DataType {
		enShort,
		enInt,
		enFloat,
		enDouble,
		enOther
	};

	_DataType  _Type;
	bool  _TypeAllow() {
		return _Type != enOther;
	}

public:
	MyClass(T val)
	{
		string sType = typeid(val).name();
		if(sType == "short")
			_Type = enShort;
		else if(sType == "int")
			_Type = enInt;
		else if(sType == "float")
			_Type = enFloat;
		else if(sType == "double")
			_Type = enDouble;
		else
			_Type = enOther;
		
		_data = val;
	}

	void Function() throw() {
		if(!_TypeAllow())
			throw (typeid(_data).name() + ((string)" not allowed!"));
		cout << "Processing...\n";
	}
};


void main()
{
	MyClass<string> obj("");
	MyClass<int> nobj(3);

	try {
		nobj.Function();
		obj.Function();
	}
	catch(string& sMsg)
	{
		cout << sMsg.c_str() << endl;
	}
}

Björk, The Modern Things