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 // explicit queue(const container_type& c); 13 14 #include <queue> 15 #include <cassert> 16 #include <cstddef> 17 18 template <class C> 19 C 20 make(int n) 21 { 22 C c; 23 for (int i = 0; i < n; ++i) 24 c.push_back(i); 25 return c; 26 } 27 28 int main() 29 { 30 std::deque<int> d = make<std::deque<int> >(5); 31 std::queue<int> q(d); 32 assert(q.size() == 5); 33 for (std::size_t i = 0; i < d.size(); ++i) 34 { 35 assert(q.front() == d[i]); 36 q.pop(); 37 } 38 } 39