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// reverse_iterator 13 14// reference operator*() const; 15 16// Be sure to respect LWG 198: 17// http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#198 18// LWG 198 was superseded by LWG 2360 19// http://www.open-std.org/jtc1/sc22/wg21/docs/lwg-defects.html#2360 20 21#include <iterator> 22#include <cassert> 23 24class A 25{ 26 int data_; 27public: 28 A() : data_(1) {} 29 ~A() {data_ = -1;} 30 31 friend bool operator==(const A& x, const A& y) 32 {return x.data_ == y.data_;} 33}; 34 35template <class It> 36void 37test(It i, typename std::iterator_traits<It>::value_type x) 38{ 39 std::reverse_iterator<It> r(i); 40 assert(*r == x); 41} 42 43int main() 44{ 45 A a; 46 test(&a+1, A()); 47} 48