C++/String/string append

Append two strings

<source lang="cpp">

1. include <iostream>

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

1. include <string>

using std::string; int main() {

  string string1( "cat" );
  string string3;
  string3.assign( string1 );
  
  cout << "string1: " << string1 
       << "\nstring3: " << string3 << "\n\n";
  
  string3 += "pet";
  string3.append( string1, 1, string1.length() - 1 );
  cout << "string1: "   << string1 
       << "\nstring3: " << string3 << "\n\n";
  return 0;

}

 </source>

string overloaded +=

<source lang="cpp">

1. include <iostream>

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

1. include <string>

using std::string; int main() {

  string string1( "cat" );
  string string2;
  string string3;
  string2 = string1;
  string3.assign( string1 );
  
  cout << "string1: " << string1 << "\nstring2: " << string2
     << "\nstring3: " << string3 << "\n\n";
  // overloaded +=
  string3 += "pet";
  string1.append( "acomb" );
  cout << "string1: " << string1 << "\nstring2: " << string2
     << "\nstring3: " << string3 << "\n\n";
  return 0;

} /* string1: cat string2: cat string3: cat string1: catacomb string2: cat string3: catpet

*/        
 </source>