gcc/testsuite/g++.dg/cpp0x/lambda/lambda-defarg5.C

   1 // PR c++/58083
   2 // { dg-do compile { target c++11 } }
   3
   4 namespace details {
   5 struct iterator_concept_checker
   6 {
   7     typedef char yes_type;
   8     typedef char (&no_type)[2];
   9
  10     template <typename T>
  11     static no_type test(...);
  12
  13     template <typename T>
  14     static yes_type test(
  15         int*
  16         , void (*)(T) = [](T it)
  17         {
  18             auto copy = T{it};                              // copy constructible
  19             copy = it;                                      // copy assignable
  20             copy.~T();                                      // destroyable
  21             ++it;                                           // incrementable
  22         }
  23       );
  24 };
  25 }
  26
  27 int main()
  28 {
  29   details::iterator_concept_checker::test<int>(0);
  30 }