共用方式為


or

An alternative to the || operator.

#define or ||

Remarks

The macro yields the operator ||.

Example

// iso646_or.cpp
// compile with: /EHsc
#include <iostream>
#include <iso646.h>

int main( )
{
   using namespace std;
   bool a = true, b = false, result;

   boolalpha(cout);

   result= a || b;
   cout << result << endl;

   result= a or b;
   cout << result << endl;
}
true
true

Requirements

Header: <iso646.h>