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  1. #include <iostream>
  2.  
  3. enum classId
  4. {
  5.  person,
  6.  gunslinger,
  7.  pokerplayer,
  8.  baddude,
  9. };
  10.  
  11. class Person
  12. {
  13.  public:
  14.   int foo;
  15.  
  16.   Person( ) : foo( classId::person ) { }
  17.   Person( int f ) : foo( f )     { }
  18.  
  19.   Person( const Person &) = default;
  20.  
  21.   int get_foo( ) const
  22.   {
  23.    return foo;
  24.   }
  25. };
  26.  
  27. class Gunslinger : public Person
  28. {
  29.  public:
  30.   Gunslinger( ) : Person( classId::gunslinger ) { }
  31.   Gunslinger( int f ) : Person( f ) { }
  32.  
  33.   Gunslinger( const Gunslinger &) = default;
  34. };
  35.  
  36. class PokerPlayer : virtual public Person
  37. {
  38.  public:
  39.   PokerPlayer( ) : Person( classId::pokerplayer ) { }
  40.   PokerPlayer( int f ) : Person( f ) { }
  41.  
  42.   PokerPlayer( const PokerPlayer &) = default;
  43. };
  44.  
  45. class BadDude : public Gunslinger, public PokerPlayer
  46. {
  47.  public:
  48.   BadDude( ) : Gunslinger::Person( classId::baddude ), Gunslinger(classId::baddude), PokerPlayer( classId::baddude ) { }
  49. };
  50.  
  51.  
  52. int main( )
  53. {
  54.  BadDude bd;
  55.  
  56.  std::cout << static_cast<Gunslinger>(bd).get_foo() << std::endl;
  57.  std::cout << static_cast<PokerPlayer>(bd).get_foo() << std::endl;
  58.  
  59.  return 0;
  60. }
  61.  
Success #stdin #stdout 0s 3096KB
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https://ideone.com/yrsCo7
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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