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Type-Safe Enum Pattern applied for representing a bit in C#
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace OzCodeLinqTests
{
public sealed class Bit : IEquatable<Bit>, IComparable, IComparable<Bit>
{
public static Bit Off = new Bit(false, "Off");
public static Bit On = new Bit(true, "On");
private readonly int _value;
private readonly bool _isOn;
private readonly string _name;
private static readonly string[] Names = { Off._name, On._name };
private static readonly Bit[] Values = { Off, On };
private Bit(bool isOn, string name)
{
_isOn = isOn;
_name = name;
_value = Convert.ToInt32(_isOn);
}
public static implicit operator bool(Bit bit) => bit._isOn;
public static implicit operator Bit(bool bit) => bit ? On : Off;
public static implicit operator int(Bit bit) => bit._value;
public static implicit operator string(Bit bit) => bit._name;
public static Bit operator |(Bit first, Bit second) => first ? On : second;
public static Bit operator &(Bit first, Bit second) => first ? second : On;
public static Bit operator ~(Bit bit) => bit ? Off : On;
public static Bit operator !(Bit bit) => ~bit;
public static bool operator ==(Bit first, Bit second) => first != null && first.Equals(second);
public static bool operator !=(Bit first, Bit second) => (object)first != null && ((object)second != null && !first.Equals(second));
public static string[] GetNames() => Names;
public static Bit[] GetValues() => Values;
public override string ToString() => _value.ToString();
public override int GetHashCode() => _value;
public override bool Equals(object obj) => Equals(obj as Bit);
public bool Equals(Bit other) => null != other && _isOn == other._isOn;
public int CompareTo(object obj) => CompareTo((Bit)obj);
public int CompareTo(Bit other) => _value - other._value;
}
}
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