Implement multiply operator - CSharp Custom Type

CSharp examples for Custom Type:Operator Overloading

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Description

Implement multiply operator

Demo Code

using static System.Console;
using System;/*w ww  .j av  a  2s.co m*/
using System.Collections.Generic;
using System.Text.RegularExpressions;
class Program
{
   static void Main(string[] args)
   {
      var harry = new Person { Name = "Harry" };
      var mary = new Person { Name = "Mary" };
      var jill = new Person { Name = "Jill" };
      var baby1 = mary.ProcreateWith(harry);
      var baby2 = Person.Procreate(harry, jill);
      var baby3 = harry * mary;
      WriteLine($"{mary.Name} has {mary.Children.Count} children.");
      WriteLine($"{harry.Name} has {harry.Children.Count} children.");
      WriteLine($"{jill.Name} has {jill.Children.Count} children.");
      WriteLine($"{mary.Name}'s first child is named \"{mary.Children[0].Name}\".");
   }
}
public class Person : IComparable<Person>
{
   public string Name;
   public DateTime DateOfBirth;
   public List<Person> Children = new List<Person>();
   public int CompareTo(Person other)
   {
      return Name.CompareTo(other.Name);
   }
   public Person ProcreateWith(Person partner)
   {
      return Procreate(this, partner);
   }
   // methods to "multiply"
   public static Person Procreate(Person p1, Person p2)
   {
      var baby = new Person
      {
         Name = $"Baby of {p1.Name} and {p2.Name}"
      };
      p1.Children.Add(baby);
      p2.Children.Add(baby);
      return baby;
   }
   // operator to "multiply"
   public static Person operator *(Person p1, Person p2)
   {
      return Procreate(p1, p2);
   }
}

Result


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