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#include <type_traits>
 
struct CByteArray {};
 
struct CIODevice {
template <typename T>
	CIODevice& operator<< (T value)
	{
		static_assert(std::is_pod<T>::value, "This method is only intended for POD types");
		return *this;
	}
 
	template <>
	CIODevice& operator<< (CByteArray data)
	{
		return *this;
	}
 
	template <typename T>
	CIODevice& operator>> (T& value)
	{
		static_assert(std::is_pod<T>::value, "This method is only intended for POD types");
		return *this;
	}
};
 
int main()
{
	CIODevice device;
	int i = 0;
	device << i;
	device >> i;
	return 0;
}

prog.cpp:13:12: error: explicit specialization in non-namespace scope ‘struct CIODevice’
  template <>
            ^
prog.cpp:20:11: error: too many template-parameter-lists
  CIODevice& operator>> (T& value)
           ^
prog.cpp: In function ‘int main()’:
prog.cpp:32:9: error: no match for ‘operator>>’ (operand types are ‘CIODevice’ and ‘int’)
  device >> i;
         ^

Standard output is empty