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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. template<typename>
  5. struct de_cay; // undefined
  6.  
  7. template<size_t N, typename T>
  8. struct de_cay<T[N]> {
  9. 	static const size_t size = N;
  10. 	using type = T;
  11. };
  12.  
  13. template<typename T>
  14. struct TypeDefinition;
  15.  
  16. int main()
  17. {
  18. 	TypeDefinition<de_cay<int[5][2]>::type> td;
  19. }
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:18:42: error: aggregate 'TypeDefinition<int [2]> td' has incomplete type and cannot be defined
  TypeDefinition<de_cay<int[5][2]>::type> td;
                                          ^
stdout
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Standard output is empty
https://ideone.com/npKCcE
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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