cpp10.cpp

C++参考书

// Coded by plusir -- Dec.29.2002.
// Standard C++ Bible -- (P242-8-10)

#include <iostream>
using namespace std ;

#define DEBUG 1
#define TESTING 1

#if DEBUG & TESTING
	#error DEBUG & TESTING both have values
#endif

int main()
{

#if DEBUG
	cout << "Debugging" << endl ;
#elif TESTING
	cout << "Testing" << endl ;
#else
	cout << "Not debugging" << endl ;
#endif

	cout << "Running" << endl ;

	return 0 ;
}