#include <Core/Core.h>

using namespace Upp;

template <class T, class C>
T NvlTo(const C& x)
{
	if (IsNull(x))
		return Null;
	return x;
};

template <class T>
void Print(const T& x)
{
	if (IsNull(x))
		Cout() << "I wanted this\n";
	else
		Cout() << x << '\n';
}

CONSOLE_APP_MAIN
{
#if 1
	int a = Null;
	int64 b = NvlTo<int64>(a);
	Print(b);

	a = -10;
	b = NvlTo<int64>(a);
	Print(b);
#else
	int a = Null;
	int64 b, c = 0;
	const int n = 1000000000;
	{
		RTIMING("NvlTo");
		for (int i = 0; i < n; ++i) {
			b = NvlTo<int64>(a);
			c += b + 1;
		}
	}
	Print(c);
	ASSERT(c == n);

	c = 0;
	{
		RTIMING("Value");
		for (int i = 0; i < n; ++i) {
			b = Value(a);
			c += b + 1;
		}
	}
	Print(c);
	ASSERT(c == n);
#endif
}