| <?xml version="1.0" encoding="utf-8"?> |
| <!DOCTYPE library PUBLIC "-//Boost//DTD BoostBook XML V1.0//EN" |
| "../../../tools/boostbook/dtd/boostbook.dtd"> |
| |
| <!-- Copyright (c) 2001-2004 CrystalClear Software, Inc. |
| Subject to the Boost Software License, Version 1.0. |
| (See accompanying file LICENSE_1_0.txt or http://www.boost.org/LICENSE_1_0.txt) |
| --> |
| |
| <section id="date_time.examples.month_add"> |
| <title>Month Adding</title> |
| |
| <para> |
| Adding a month to a day without the use of iterators. |
| </para> |
| <programlisting> |
| <![CDATA[ |
| /* Simple program that uses the gregorian calendar to progress by exactly |
| * one month, irregardless of how many days are in that month. |
| * |
| * This method can be used as an alternative to iterators |
| */ |
| |
| #include "boost/date_time/gregorian/gregorian.hpp" |
| #include <iostream> |
| |
| int |
| main() |
| { |
| |
| using namespace boost::gregorian; |
| |
| date d = day_clock::local_day(); |
| add_month mf(1); |
| date d2 = d + mf.get_offset(d); |
| std::cout << "Today is: " << to_simple_string(d) << ".\n" |
| << "One month from today will be: " << to_simple_string(d2) |
| << std::endl; |
| |
| return 0; |
| } |
| ]]> |
| </programlisting> |
| </section> |