BooleanValues.cs

using System;
using Waher.Script.Abstraction.Sets;
using Waher.Script.Abstraction.Elements;
 
namespace Waher.Script.Objects
{
    public sealed class BooleanValues : Field, IOrderedSet
    {
        private static readonly int hashCode = typeof(BooleanValues).FullName.GetHashCode();
 
        public BooleanValues()
        {
        }
 
        public override ICommutativeRingWithIdentityElement One
        {
            get { return BooleanValue.True; }
        }
 
        public override IAbelianGroupElement Zero
        {
            get { return BooleanValue.False; }
        }
 
        public override bool Contains(IElement Element)
        {
            return Element.AssociatedObjectValue is bool;
        }
 
        public override bool Equals(object obj)
        {
            return obj is BooleanValues;
        }
 
        public override int GetHashCode()
        {
            return hashCode;
        }
 
        public int Compare(IElement x, IElement y)
        {
            BooleanValue b1 = (BooleanValue)x;
            BooleanValue b2 = (BooleanValue)y;
 
            return b1.Value.CompareTo(b2.Value);
        }
    }
}