//===----------------------------------------------------------------------===// // // 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_trivially_copyable #include <type_traits> #include <cassert> template <class T> void test_is_trivially_copyable() { static_assert( std::is_trivially_copyable<T>::value, ""); static_assert( std::is_trivially_copyable<const T>::value, ""); static_assert(!std::is_trivially_copyable<volatile T>::value, ""); static_assert(!std::is_trivially_copyable<const volatile T>::value, ""); } template <class T> void test_is_not_trivially_copyable() { static_assert(!std::is_trivially_copyable<T>::value, ""); static_assert(!std::is_trivially_copyable<const T>::value, ""); static_assert(!std::is_trivially_copyable<volatile T>::value, ""); static_assert(!std::is_trivially_copyable<const volatile T>::value, ""); } struct A { int i_; }; struct B { int i_; ~B() {assert(i_ == 0);} }; class C { public: C(); }; int main() { test_is_trivially_copyable<int> (); test_is_trivially_copyable<const int> (); test_is_trivially_copyable<A> (); test_is_trivially_copyable<const A> (); test_is_trivially_copyable<C> (); test_is_not_trivially_copyable<int&> (); test_is_not_trivially_copyable<const A&> (); test_is_not_trivially_copyable<B> (); }