begin_non_const.pass.cpp (673B)
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 // <iterator> 11 12 // template <class C> auto begin(C& c) -> decltype(c.begin()); 13 14 #include <vector> 15 #include <cassert> 16 17 int main() 18 { 19 int ia[] = {1, 2, 3}; 20 std::vector<int> v(ia, ia + sizeof(ia)/sizeof(ia[0])); 21 std::vector<int>::iterator i = begin(v); 22 assert(*i == 1); 23 *i = 2; 24 assert(*i == 2); 25 }