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  1. #include <iostream>
  2.  
  3. class Example {
  4.     public:
  5.         Example() = default;
  6.  
  7.         virtual void virt_func() { 
  8.         	std::cout << "Example virt_func" << std::endl;
  9.         }
  10.  
  11.         void nonvirt_func() {
  12.         	std::cout << "Example nonvirt_func" << std::endl; 
  13.         }
  14. };
  15.  
  16. class Child: public Example {
  17.     public:
  18.     	Child() = default;
  19.  
  20.         void virt_func() {
  21.         	std::cout << "Child virt_func" << std::endl;
  22.         }
  23.  
  24.         void nonvirt_func() {
  25.         	std::cout << "Child nonvirt_func" << std::endl; 
  26.         }
  27. };
  28.  
  29. int main() {
  30. 	Child c;
  31. 	std::cout << "On Child instance:" << std::endl;
  32. 	c.virt_func();
  33. 	c.nonvirt_func();
  34.  
  35. 	Example& e1 = c;
  36. 	std::cout << "\nOn Example& casted from c:" << std::endl;
  37. 	e1.virt_func();
  38. 	e1.nonvirt_func();
  39.  
  40. 	Example e2 = c;
  41. 	std::cout << "\nOn Example instance constructed from c:" << std::endl;
  42. 	e2.virt_func();
  43. 	e2.nonvirt_func();
  44. }
Success #stdin #stdout 0s 15240KB
comments (?)
stdin
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Standard input is empty
stdout
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On Child instance:
Child virt_func
Child nonvirt_func

On Example& casted from c:
Child virt_func
Example nonvirt_func

On Example instance constructed from c:
Example virt_func
Example nonvirt_func
https://ideone.com/iFqp7I
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
secret

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