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 // <queue> 11 12 // template <class T, class Container = deque<T>> 13 // class queue 14 // { 15 // public: 16 // typedef Container container_type; 17 // typedef typename container_type::value_type value_type; 18 // typedef typename container_type::reference reference; 19 // typedef typename container_type::const_reference const_reference; 20 // typedef typename container_type::size_type size_type; 21 // 22 // protected: 23 // container_type c; 24 // ... 25 // }; 26 27 #include <queue> 28 #include <type_traits> 29 30 struct test 31 : private std::queue<int> 32 { 33 test() 34 { 35 c.push_back(1); 36 } 37 }; 38 39 struct C 40 { 41 typedef int value_type; 42 typedef int& reference; 43 typedef const int& const_reference; 44 typedef int size_type; 45 }; 46 47 int main() 48 { 49 static_assert((std::is_same<std::queue<int>::container_type, std::deque<int> >::value), ""); 50 static_assert((std::is_same<std::queue<double, std::vector<int> >::container_type, std::vector<int> >::value), ""); 51 static_assert((std::is_same<std::queue<double, std::vector<int> >::value_type, int>::value), ""); 52 static_assert((std::is_same<std::queue<int>::reference, std::deque<int>::reference>::value), ""); 53 static_assert((std::is_same<std::queue<int>::const_reference, std::deque<int>::const_reference>::value), ""); 54 static_assert((std::is_same<std::queue<int>::size_type, std::deque<int>::size_type>::value), ""); 55 static_assert((std::uses_allocator<std::queue<int>, std::allocator<int> >::value), ""); 56 static_assert((!std::uses_allocator<std::queue<int, C>, std::allocator<int> >::value), ""); 57 test t; 58 } 59
