//http://www.bouncycastle.org/
//MIT X11 License
using System;
using System.Collections;
namespace Org.BouncyCastle.Utilities.Collections
{
public sealed class EmptyEnumerable
: IEnumerable
{
public static readonly IEnumerable Instance = new EmptyEnumerable();
private EmptyEnumerable()
{
}
public IEnumerator GetEnumerator()
{
return EmptyEnumerator.Instance;
}
}
public sealed class EmptyEnumerator
: IEnumerator
{
public static readonly IEnumerator Instance = new EmptyEnumerator();
private EmptyEnumerator()
{
}
public bool MoveNext()
{
return false;
}
public void Reset()
{
}
public object Current
{
get { throw new InvalidOperationException("No elements"); }
}
}
}