(кл)проверено практикум 10_10

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace MyProgram
{
    class ClassDate
    {
        DateTime date;
        // static DateTime date1;
        //static ClassDate() //статический конструктор
        //{
        //    date1 = DateTime.Parse(Console.ReadLine());
        //    //Console.WriteLine("Заданная дата - {0}", date1);
        //}
        public ClassDate()
        {
            date = new DateTime(2010, 1, 1);

            //Console.WriteLine("Определенная дата - {0}", date);
        }

        public ClassDate(DateTime date)
        {

            this.date = date;
            // Console.WriteLine("Заданная дата №2 - {0}", date);
        }
        public DateTime PreviousDay()
        {
            return date.Subtract(TimeSpan.FromDays(1));

        }

        public DateTime NextDay()
        {
            return date.Add(TimeSpan.FromDays(1));
        }

        public int DaysLeft()
        {
            return DateTime.DaysInMonth(date.Year, date.Month) - date.Day;
        }

        public DateTime Date
        {
            get { return date; }
            set { date = value; }
        }
        public bool IsLeap
        {
            get { return DateTime.IsLeapYear(date.Year); }
        }
        public DateTime this[int days]
        {

            get { return date.AddDays(days); }
        }
        public static bool operator !(ClassDate a)
        {
            return DateTime.DaysInMonth(a.Date.Year, a.Date.Month) != a.Date.Day;
        }
        public static bool operator true(ClassDate a)
        {
            return a.date.Month == 1;
        }

        public static bool operator false(ClassDate a)
        {
            return a.date.Month != 1;
        }

        public static bool operator &(ClassDate a, ClassDate b)
        {
            return a.Date.Equals(b.Date);
        }

    }
}