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  1. template<typename T>
  2. struct Q
  3. {
  4.     typedef T t;
  5. };
  6.  
  7. template<typename T>
  8. void foo(Q<T> q)
  9. {
  10.     using q_t = Q<T>; 
  11.     //typedef Q<T> q_t; // if we uncomment this and comment 'using' the example compiles
  12.     typename q_t::t qwe; // <<<<<<<<<< Error: no type named ‘t’ in ‘using q_t = struct Q<T>’
  13. }
  14.  
  15. int main(int argc, char *argv[])
  16. {
  17.     Q<int> q;
  18.     foo(q);
  19.     return 0;
  20. }
Success #stdin #stdout 0s 3292KB
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https://ideone.com/wmzjP3
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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