fork download
copy 
  1. class DM
  2. {
  3. public:
  4.     int something;
  5.     DM() : something(0) { }
  6. };
  7.  
  8. typedef DM * dm_t;
  9. typedef dm_t & dm_ref_t;
  10. typedef const DM * dm_const_t;
  11. typedef const dm_const_t & dm_cref_t;
  12.  
  13. int getSomething( dm_cref_t dm ) // CALLING getSomething DOES NOT COMPILE
  14. {
  15.     return dm->something;
  16. }
  17.  
  18. int getSomethingAgain( dm_const_t dm )
  19. {
  20.     return dm->something;
  21. }
  22.  
  23. int getSomethingOnceMore( dm_ref_t dm )
  24. {
  25.     return dm->something;
  26. }
  27.  
  28. int main()
  29. {
  30.     dm_t dm = new DM;
  31.     getSomething( dm ); // COMPILER ERROR COMES FROM HERE
  32.     getSomethingAgain( dm );
  33.     getSomethingOnceMore( dm );
  34.     return 0;
  35. }
Success #stdin #stdout 0s 3424KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Standard output is empty
https://ideone.com/V48Kxe
language:
C++14 (gcc 8.3)
created:
10 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!