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      1 //===----------------------------------------------------------------------===//
      2 //
      3 //                     The LLVM Compiler Infrastructure
      4 //
      5 // This file is dual licensed under the MIT and the University of Illinois Open
      6 // Source Licenses. See LICENSE.TXT for details.
      7 //
      8 //===----------------------------------------------------------------------===//
      9 
     10 // type_traits
     11 
     12 // is_volatile
     13 
     14 #include <type_traits>
     15 
     16 template <class T>
     17 void test_is_volatile()
     18 {
     19     static_assert(!std::is_volatile<T>::value, "");
     20     static_assert(!std::is_volatile<const T>::value, "");
     21     static_assert( std::is_volatile<volatile T>::value, "");
     22     static_assert( std::is_volatile<const volatile T>::value, "");
     23 }
     24 
     25 int main()
     26 {
     27     test_is_volatile<void>();
     28     test_is_volatile<int>();
     29     test_is_volatile<double>();
     30     test_is_volatile<int*>();
     31     test_is_volatile<const int*>();
     32     test_is_volatile<char[3]>();
     33     test_is_volatile<char[3]>();
     34 
     35     static_assert(!std::is_volatile<int&>::value, "");
     36     static_assert(!std::is_volatile<volatile int&>::value, "");
     37 }
     38