string member function empty : string empty « String « C++

1. C++
2. String
3. string empty

string member function empty

 
 

#include <iostream>
using std::cout;
using std::endl;

#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"
 */       
  

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