fork download
copy 
  1. #include<iostream>
  2. #include<string>
  3.  
  4. using std::cout; using std::endl;
  5. using std::string;
  6.  
  7. class NoName
  8. {
  9. public:
  10.     NoName(string sName = "Alice In Wonderland") :
  11.         pstring(new string(sName))
  12.     {
  13.       cout << "ctor - " << *pstring << endl;
  14.     }
  15.     NoName(const NoName& rhs) :
  16.         pstring(new string(*rhs.pstring))
  17.     {
  18.       cout << "Copy ctor - " << *pstring << endl;
  19.     }
  20.     NoName& operator=(const NoName& rhs)
  21.     {
  22.       *pstring = *rhs.pstring;
  23.       cout << "Copy assignment operator - " << *pstring << endl;
  24.       return *this;
  25.     }
  26.  
  27.     ~NoName()
  28.     {
  29.         cout << "dtor, my name was " << *pstring << endl;
  30.         delete pstring;
  31.     }
  32. private:
  33.     string *pstring;
  34. };
  35.  
  36. class Better
  37. {
  38. public:
  39.     Better(string sName = "Alice In Wonderland") :
  40.         m_string(sName)
  41.     {
  42.     }
  43. private:
  44.     string m_string;
  45. };
  46.  
  47. int main()
  48. {
  49.     NoName m, n("Another name");
  50.     NoName o(m);
  51.     o = n;
  52.  
  53.     return 0;
  54. }
Success #stdin #stdout 0s 3032KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
ctor - Alice In Wonderland
ctor - Another name
Copy ctor - Alice In Wonderland
Copy assignment operator - Another name
dtor, my name was Another name
dtor, my name was Another name
dtor, my name was Alice In Wonderland
https://ideone.com/21yGgC
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!