C++/String/string empty

string member function empty

<source lang="cpp">

1. include <iostream>

using std::cout; using std::endl;

1. include <string>

using std::string; int main() {

  string s1( "AA" );
  string s2( " AAB" );
  string s3;
  // 
  cout << "\n\nTesting s3.empty():" << endl;
  if ( s3.empty() )
  {
     cout << "s3 is empty; assigning s1 to s3;" << endl;
     s3 = s1;
     cout << "s3 is \"" << s3 << "\"";
  } 
  return 0;

}

/* 

Testing s3.empty(): s3 is empty; assigning s1 to s3; s3 is "AA"

*/       
 </source>