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  1.  
  2. //Date.cc
  3.  
  4. #include <iostream>
  5. using namespace std;
  6.  
  7. class Date {
  8.     int d, m, y;
  9.     static Date today;                                            //(A)
  10. public:
  11.     Date( int dd = 0, int mm = 0, int yy = 0 );    
  12.     static void setToday(int, int, int);                          //(B)
  13.     static Date getToday();                    //(C)
  14.     void print() {
  15.         cout << "day: " << d << " month: " << m 
  16.              << " year: " << y << endl; 
  17.     }
  18. };
  19.  
  20. Date::Date( int dd, int mm, int yy ) {
  21.     d = dd ? dd : today.d;
  22.     m = mm ? mm : today.m;
  23.     y = yy ? yy : today.y;
  24. }
  25.  
  26. void Date::setToday( int dd, int mm, int yy ) {                   //(D)
  27.     today = Date(dd, mm, yy);
  28. }
  29. int Date::getToday(){
  30. 	 return today;  
  31. }
  32.  
  33. Date Date::today( 31, 10, 2001 );                                 //(E)
  34.  
  35. int main()
  36. {
  37.     Date d1( 1, 1, 1970);
  38.     d1.print();                 //day: 1  month: 1  year: 1970
  39.     Date d2( 2 );
  40.     d2.print();                 //day: 2  month: 10 year: 2001
  41.     Date::setToday(3, 4, 2000);                                   //(F)
  42.     Date::getToday().print();   //day: 3  month: 4  year: 2000    //(G)
  43.     Date d3( 7 );
  44.     d3.print();                 //day: 7  month: 4  year: 2000
  45.     Date d4 = Date();
  46.     d4.print();                 //day: 3  month: 4  year: 2000
  47.     return 0;
  48. }
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
prog.cpp:29:5: error: prototype for ‘int Date::getToday()’ does not match any in class ‘Date’
 int Date::getToday(){
     ^~~~
prog.cpp:13:17: error: candidate is: static Date Date::getToday()
     static Date getToday();                    //(C)
                 ^~~~~~~~
stdout
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Standard output is empty
https://ideone.com/wUXS7Y
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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