Help me understand the code snippet in c#

Posted by Benny on Stack Overflow See other posts from Stack Overflow or by Benny
Published on 2010-04-22T18:36:07Z Indexed on 2010/04/22 18:43 UTC
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I am reading this blog: Pipes and filters pattern

I am confused by this code snippet:

public class Pipeline<T>
{
    private readonly List<IOperation<T>> operations = new List<IOperation<T>>();

    public Pipeline<T> Register(IOperation<T> operation)
    {
        operations.Add(operation);
        return this;
    }

    public void Execute()
    {
        IEnumerable<T> current = new List<T>();
        foreach (IOperation<T> operation in operations)
        {
            current = operation.Execute(current);
        }
        IEnumerator<T> enumerator = current.GetEnumerator();
        while (enumerator.MoveNext());
    }
}

what is the purpose of this statement: while (enumerator.MoveNext());? seems this code is a noop.

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