| // (C) Copyright Jeremy Siek 2000-2004. |
| // Distributed under the Boost Software License, Version 1.0. (See |
| // accompanying file LICENSE_1_0.txt or copy at |
| // http://www.boost.org/LICENSE_1_0.txt) |
| |
| #include <boost/config.hpp> |
| #include <iostream> |
| #include <algorithm> |
| #include <boost/iterator/reverse_iterator.hpp> |
| #include <boost/cstdlib.hpp> |
| |
| int main(int, char*[]) |
| { |
| char letters_[] = "hello world!"; |
| const int N = sizeof(letters_)/sizeof(char) - 1; |
| typedef char* base_iterator; |
| base_iterator letters(letters_); |
| |
| std::cout << "original sequence of letters:\t\t\t" |
| << letters_ << std::endl; |
| |
| // Use reverse_iterator to print a sequence of letters in reverse |
| // order. |
| |
| boost::reverse_iterator<base_iterator> |
| reverse_letters_first(letters + N), |
| reverse_letters_last(letters); |
| |
| std::cout << "sequence in reverse order:\t\t\t"; |
| std::copy(reverse_letters_first, reverse_letters_last, |
| std::ostream_iterator<char>(std::cout)); |
| std::cout << std::endl; |
| |
| std::cout << "sequence in double-reversed (normal) order:\t"; |
| std::copy(boost::make_reverse_iterator(reverse_letters_last), |
| boost::make_reverse_iterator(reverse_letters_first), |
| std::ostream_iterator<char>(std::cout)); |
| std::cout << std::endl; |
| |
| return boost::exit_success; |
| } |