How to disable cout output in the runtime?

Question

I often use cout for debugging purpose in many different places in my code, and then I get frustrated and comment all of them manually.

Is there a way

Answer 1

To supress output, you can disconnect the underlying buffer from cout.

#include 

using namespace std;

int main(){

    // get underlying buffer
    streambuf* orig_buf = cout.rdbuf();

    // set null
    cout.rdbuf(NULL);

    cout << "this will not be displayed." << endl;

    // restore buffer
    cout.rdbuf(orig_buf);

    cout << "this will be dispalyed." << endl;

    return 0;
}