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  1. struct B {
  2.   virtual int f() = 0;
  3. };
  4.  
  5. struct D: B {
  6.   double f();
  7. };
  8.  
  9. int main() {
  10.   D d;
  11. }
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:6: error: conflicting return type specified for ‘virtual double D::f()’
prog.cpp:2: error:   overriding ‘virtual int B::f()’
stdout
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Standard output is empty
https://ideone.com/nzwEp
language:
C++ (gcc 8.3)
created:
12 years ago
visibility:
public

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