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  1.  
  2. union preelement{
  3.          int foo;
  4.          double bar;
  5.     };
  6.  
  7. struct element : preelement {
  8.     char thing;
  9. };
  10.  
  11. int main() {
  12.    element a;
  13.    a.foo;
  14. }
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin 
Standard input is empty
compilation info 
prog.cpp:7:29: error: base type 'preelement' fails to be a struct or class type
prog.cpp: In function 'int main()':
prog.cpp:12:12: error: aggregate 'element a' has incomplete type and cannot be defined
stdout 
Standard output is empty
https://ideone.com/xVuWE
language:
C++14 (gcc 8.3)
created:
12 years ago
visibility:
public

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