SetOfGraphs.cs

using System;
using Waher.Script.Abstraction.Elements;
using Waher.Script.Abstraction.Sets;
 
namespace Waher.Script.Graphs
{
    public sealed class SetOfGraphs : SemiGroup
    {
        private static readonly int hashCode = typeof(SetOfGraphs).GetHashCode();
 
        public SetOfGraphs()
        {
        }
 
        public static readonly SetOfGraphs Instance = new SetOfGraphs();
 
        public override bool Contains(IElement Element)
        {
            return Element is Graph;
        }
 
        public override bool Equals(object obj)
        {
            return obj is SetOfGraphs;
        }
 
        public override int GetHashCode()
        {
            return hashCode;
        }
    }
}