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  1. #include <vector>
  2. #include <algorithm>
  3.  
  4. class Foo;
  5.  
  6. class Base {
  7. protected:
  8.     bool hasChild() const { return !childs_.empty(); }
  9.     std::vector<Foo> childs_;
  10. };
  11.  
  12. class Foo : public Base {
  13. public:
  14.   bool hasGrandChild() const {
  15.     return std::any_of(childs_.begin(), childs_.end(), [](Foo const &foo) {
  16.         return foo.Base::hasChild();
  17.       });
  18.   }  
  19. };
  20.  
  21. int main()
  22. {
  23.   Foo foo;
  24.   foo.hasGrandChild();
  25.   return 0;
  26. }
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
prog.cpp: In lambda function:
prog.cpp:8:10: error: 'bool Base::hasChild() const' is protected
prog.cpp:17:7: error: within this context
stdout
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Standard output is empty
https://ideone.com/DJezf
language:
C++14 (gcc 8.3)
created:
12 years ago
visibility:
public

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