cxx/test/utilities/meta/meta.unary/meta.unary.prop/is_const.pass.cpp

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//===----------------------------------------------------------------------===// // // The LLVM Compiler Infrastructure // // This file is distributed under the University of Illinois Open Source // License. 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, ""); }