#include <cstddef>
#include <array>
#include <iostream>
 
// Cursor.h header
 
namespace detail
{
	template<typename T = void>
	struct Cursor
	{
		static constexpr Cursor<T> const ZERO{};
		std::size_t row, column;
	};
 
	template<typename T>
	constexpr Cursor<T> Cursor<T>::ZERO;
}
 
using Cursor = detail::Cursor<>;
 
// main.cpp
 
//#include "Cursor.h"
 
int main(int, char**) noexcept
{
	std::array<int, Cursor::ZERO.row> row_arr{};
	std::cout << row_arr.size() << "\n";
	//foo::bar(); // static method defined in second translation unit
	return 0;
}

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