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  1. #include <iostream>
  2.  
  3. struct B;
  4.  
  5. struct A {
  6.     A() = default;
  7.  
  8.     operator (B *)() {
  9.         return new B();
  10.     }
  11. };
  12.  
  13. struct B { B() = default; };
  14.  
  15. int main() {
  16.  
  17.     A a;
  18.  
  19.     B *b = &a;
  20.  
  21. }
Compilation error #stdin compilation error #stdout 0s 2880KB
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stdin
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Standard input is empty
compilation info 
prog.cpp:8:14: error: expected type-specifier before '(' token
prog.cpp: In function 'int main()':
prog.cpp:19:13: error: cannot convert 'A*' to 'B*' in initialization
stdout
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Standard output is empty
https://ideone.com/12sT80
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
secret

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