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  1. #include <iostream>
  2. #include <cstring>
  3. using namespace std;
  4.  
  5. class foo
  6. {
  7.     char *str;
  8.     int   len;
  9.     static int number;
  10. public:
  11.     foo();
  12.     foo(const foo&);
  13.     void get();
  14.     ~foo();
  15. };
  16.  
  17. int foo::number = 0;
  18. foo::foo()
  19. {
  20.     str = 0;
  21.     len = 0;
  22.     cout << "Simple Constructor\n";
  23. }
  24. foo::foo(const foo &st)
  25. {
  26.     len = strlen(st.str);
  27.     str = new char[len+1];
  28.     strcpy(str,st.str);
  29.     number++;
  30.     cout << str << endl;
  31. }
  32. void foo::get(){
  33.     static char buf[1024];
  34.     cin.getline(buf, 1024);
  35.     len = strlen(buf);
  36.     str = new char[1 + len];
  37.     strcpy(str, buf);
  38. }
  39. foo::~foo()
  40. {
  41.     cout << number-- << endl;
  42.     delete [] str;
  43. }
  44.  
  45. int main()
  46. {
  47.     foo f1;
  48.     f1.get();
  49.     foo f2 = f1;
  50.  
  51.     return 0;
  52. }
Success #stdin #stdout 0s 3464KB
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Simple Constructor
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https://ideone.com/MPDEia
language:
C++14 (clang 8.0)
created:
7 years ago
visibility:
public

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