| //===----------------------------------------------------------------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is dual licensed under the MIT and the University of Illinois Open |
| // Source Licenses. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| // type_traits |
| |
| // is_const |
| |
| #include <type_traits> |
| |
| template <class T> |
| void test_is_const() |
| { |
| static_assert(!std::is_const<T>::value, ""); |
| static_assert( std::is_const<const T>::value, ""); |
| static_assert(!std::is_const<volatile T>::value, ""); |
| static_assert( std::is_const<const volatile T>::value, ""); |
| } |
| |
| int main() |
| { |
| test_is_const<void>(); |
| test_is_const<int>(); |
| test_is_const<double>(); |
| test_is_const<int*>(); |
| test_is_const<const int*>(); |
| test_is_const<char[3]>(); |
| test_is_const<char[3]>(); |
| |
| static_assert(!std::is_const<int&>::value, ""); |
| static_assert(!std::is_const<const int&>::value, ""); |
| } |