UNPKG

boost-react-native-bundle

Version:

Boost library as in https://sourceforge.net/projects/boost/files/boost/1.57.0/

75 lines (65 loc) 2.18 kB
<?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.print_month"> <title>Print Month</title> <para> Simple utility to print out days of the month with the days of a month. Demontstrates date iteration (date_time::date_itr). </para> <programlisting> <![CDATA[ /* This example prints all the dates in a month. It demonstrates * the use of iterators as well as functions of the gregorian_calendar * * Output: * Enter Year: 2002 * Enter Month(1..12): 2 * 2002-Feb-01 [Fri] * 2002-Feb-02 [Sat] * 2002-Feb-03 [Sun] * 2002-Feb-04 [Mon] * 2002-Feb-05 [Tue] * 2002-Feb-06 [Wed] * 2002-Feb-07 [Thu] */ #include "boost/date_time/gregorian/gregorian.hpp" #include <iostream> int main() { std::cout << "Enter Year: "; int year, month; std::cin >> year; std::cout << "Enter Month(1..12): "; std::cin >> month; using namespace boost::gregorian; try { //Use the calendar to get the last day of the month int eom_day = gregorian_calendar::end_of_month_day(year,month); date endOfMonth(year,month,eom_day); //construct an iterator starting with firt day of the month day_iterator ditr(date(year,month,1)); //loop thru the days and print each one for (; ditr <= endOfMonth; ++ditr) { #if defined(BOOST_DATE_TIME_NO_LOCALE) std::cout << to_simple_string(*ditr) << " [" #else std::cout << *ditr << " [" #endif << ditr->day_of_week() << "]" << std::endl; } } catch(std::exception& e) { std::cout << "Error bad date, check your entry: \n" << " Details: " << e.what() << std::endl; } return 0; } ]]> </programlisting> </section>