/*
A Programmer's Introduction to C# (Second Edition)
by Eric Gunnerson
Publisher: Apress L.P.
ISBN: 1-893115-62-3
*/
// 25 - Operator Overloading\An Example
// copyright 2000 Eric Gunnerson
using System;
struct RomanNumeral
{
public RomanNumeral(int value)
{
this.value = value;
}
public override string ToString()
{
return(value.ToString());
}
public static RomanNumeral operator -(RomanNumeral roman)
{
return(new RomanNumeral(-roman.value));
}
public static RomanNumeral operator +(
RomanNumeral roman1,
RomanNumeral roman2)
{
return(new RomanNumeral(
roman1.value + roman2.value));
}
public static RomanNumeral operator ++(
RomanNumeral roman)
{
return(new RomanNumeral(roman.value + 1));
}
int value;
}
public class OperatorOverloadingAnExample
{
public static void Main()
{
RomanNumeral roman1 = new RomanNumeral(12);
RomanNumeral roman2 = new RomanNumeral(125);
Console.WriteLine("Increment: {0}", roman1++);
Console.WriteLine("Addition: {0}", roman1 + roman2);
}
}
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