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  1. #include <iostream>
  2.  
  3. class ITest {
  4. public:
  5.     ITest(){}
  6.     virtual ~ITest(){}
  7.     virtual void foo() {
  8.         if (!this) {
  9.             std::cout << "ITest::Blah!" <<std::endl;
  10.             return;
  11.         }
  12.         std::cout << "ITest::Foo!" <<std::endl;
  13.     }
  14. };
  15.  
  16. class Test : public ITest {
  17. public:
  18.     virtual void foo() {
  19.         if (!this) {
  20.             std::cout<<"Blah!"<<std::endl;
  21.             return;
  22.         }
  23.         std::cout<<"Foo!"<<std::endl;
  24.     }
  25. };
  26.  
  27. int main() {
  28.     Test* t = NULL;
  29.     t->foo();
  30.     return 0;
  31. }
Runtime error #stdin #stdout 0s 2848KB
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Standard input is empty
stdout
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Standard output is empty
https://ideone.com/EJbvJC
language:
C++ (gcc 8.3)
created:
10 years ago
visibility:
secret

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