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  1. #include <cstddef>
  2.  
  3. void function(void*) {}
  4.  
  5. struct foo
  6. {
  7. 	operator std::nullptr_t()
  8. 	{
  9. 		return nullptr;
  10. 	}
  11. };
  12.  
  13. int main()
  14. {
  15. 	function(foo());
  16. }
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 function ‘int main()’:
prog.cpp:15:16: error: cannot convert ‘foo’ to ‘void*’ for argument ‘1’ to ‘void function(void*)’
  function(foo());
                ^
stdout
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Standard output is empty
https://ideone.com/sMa1C0
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
secret

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