date_time_days_in_month2.cpp

Shows how to use xtd::date_time::days_in_month method.

#include <xtd/as>
#include <xtd/console>
#include <xtd/date_time>
#include <xtd/startup>
#include <array>
 
using namespace xtd;
 
class program {
public:
  static auto main() {
    auto years = std::array<unsigned int, 2> {2012, 2014};
    console::write_line("Days in the Month for the Gregorian calendar\n");
    console::write_line("{0,-10}{1,-15}{2,4}\n", "Year", "Month", "Days");
    
    for (auto year : years) {
      for (auto ctr = 1u; ctr <= 12u; ctr++)
        console::write_line("{0,-10}{1,-15}{2,4}", year, as<month_of_year>(ctr), date_time::days_in_month(year, ctr));
      console::write_line();
    }
  }
};
 
startup_(program::main);
 
// This code produces the following output :
//
//  Days in the Month for the en-US culture using the Gregorian calendar
//
//  Year      Month          Days
//
//  2012      january          31
//  2012      february         29
//  2012      march            31
//  2012      april            30
//  2012      may              31
//  2012      june             30
//  2012      july             31
//  2012      august           31
//  2012      september        30
//  2012      october          31
//  2012      november         30
//  2012      december         31
//
//  2014      january          31
//  2014      february         28
//  2014      march            31
//  2014      april            30
//  2014      may              31
//  2014      june             30
//  2014      july             31
//  2014      august           31
//  2014      september        30
//  2014      october          31
//  2014      november         30
//  2014      december         31