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 // template <class T, class... Args> 13 // struct is_trivially_constructible; 14 15 #include <type_traits> 16 17 template <class T> 18 void test_is_trivially_constructible() 19 { 20 static_assert(( std::is_trivially_constructible<T>::value), ""); 21 } 22 23 template <class T, class A0> 24 void test_is_trivially_constructible() 25 { 26 static_assert(( std::is_trivially_constructible<T, A0>::value), ""); 27 } 28 29 template <class T> 30 void test_is_not_trivially_constructible() 31 { 32 static_assert((!std::is_trivially_constructible<T>::value), ""); 33 } 34 35 template <class T, class A0> 36 void test_is_not_trivially_constructible() 37 { 38 static_assert((!std::is_trivially_constructible<T, A0>::value), ""); 39 } 40 41 template <class T, class A0, class A1> 42 void test_is_not_trivially_constructible() 43 { 44 static_assert((!std::is_trivially_constructible<T, A0, A1>::value), ""); 45 } 46 47 struct A 48 { 49 explicit A(int); 50 A(int, double); 51 }; 52 53 int main() 54 { 55 test_is_trivially_constructible<int> (); 56 test_is_trivially_constructible<int, const int&> (); 57 58 test_is_not_trivially_constructible<A, int> (); 59 test_is_not_trivially_constructible<A, int, double> (); 60 test_is_not_trivially_constructible<A> (); 61 } 62