silly.cpp

#include <functional>
#include <string>
#include <iostream>

template<class T>
class SillyTest {
public:
	//Give the object something to say
	SillyTest(T obj) : mObj(obj){}
	//Make use of the stored function
	void Speak(){
		mFunc(mObj);
	}

private:
	T mObj;
	const static std::function<void(T)> mFunc;
};

typedef SillyTest<bool> SillyBool;
//Having this commented out lets msvc compile it, 
//g++ still refuses and i only have clang 3.0 (no lambda support)
//template<>
const std::function<void(bool)> 
	SillyBool::mFunc = [](bool b){ 
		std::cout << "SillyBool is: " 
			<< (b ? "true" : "false") << std::endl; 
	};

typedef SillyTest<std::string> SillyString;
//Having this commented out lets msvc compile it, 
//g++ still refuses and i only have clang 3.0 (no lambda support)
//template<>
const std::function<void(std::string)>
	SillyString::mFunc = [](std::string s){
		std::cout << "SillyString is: " << s << std::endl;
	};

int main(int argc, char const *argv[]){
	SillyBool sBool(false);
	SillyString sString("Howdy doo");

	sBool.Speak();
	sString.Speak();

	return 0;
}