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 30struct test 31 : private std::queue<int> 32{ 33 test() 34 { 35 c.push_back(1); 36 } 37}; 38 39struct C 40{ 41 typedef int value_type; 42 typedef int& reference; 43 typedef const int& const_reference; 44 typedef int size_type; 45}; 46 47int 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