// // This file contains the C# code from Program 5.4 of // "Data Structures and Algorithms // with Object-Oriented Design Patterns in C#" // by Bruno R. Preiss. // // Copyright (c) 2001--2002 by Bruno R. Preiss, P.Eng. All rights reserved. // // http://www.brpreiss.com/books/opus6/programs/pgm05_04.txt // public class ComparableChar : ComparableValue { public ComparableChar(char c) : base(c) {} public static explicit operator char(ComparableChar c) { return (char)c.obj; } // ... }