1bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===// 2bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 3f5256e16dfc425c1d466f6308d4026d529ce9e0bHoward Hinnant// The LLVM Compiler Infrastructure 4bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 5b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// This file is dual licensed under the MIT and the University of Illinois Open 6b64f8b07c104c6cc986570ac8ee0ed16a9f23976Howard Hinnant// Source Licenses. See LICENSE.TXT for details. 7bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// 8bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant//===----------------------------------------------------------------------===// 9bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 10bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// <iterator> 11bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 12bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant// template <class C> auto begin(const C& c) -> decltype(c.begin()); 13bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 14bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <vector> 15bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant#include <cassert> 16bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant 17bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnantint main() 18bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant{ 19bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant int ia[] = {1, 2, 3}; 20bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant const std::vector<int> v(ia, ia + sizeof(ia)/sizeof(ia[0])); 21bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant std::vector<int>::const_iterator i = begin(v); 22bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant assert(*i == 1); 23bc8d3f97eb5c958007f2713238472e0c1c8fe02Howard Hinnant} 24