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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. struct Base
  5. {
  6.     virtual void method() = 0;
  7. };
  8.  
  9. struct Derived : Base
  10. {
  11.     void method() { Base::method(); };
  12. };
  13.  
  14. int main()
  15. {
  16.     Derived d;
  17.     d.method();
  18. }
  19.  
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
/home/DlKfAP/ccsWfQ3T.o: In function `main':
prog.cpp:(.text.startup+0x49): undefined reference to `Base::method()'
/home/DlKfAP/ccsWfQ3T.o: In function `Derived::method()':
prog.cpp:(.text._ZN7Derived6methodEv[_ZN7Derived6methodEv]+0x1): undefined reference to `Base::method()'
collect2: error: ld returned 1 exit status
stdout
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Standard output is empty
https://ideone.com/vxtDPT
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

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