.NET Parallel Extension Like Functionality Added To The Dizzy - Functional List Library

I have added an "AsParallel()" method to Dizzy which mimics the way that the Parallel Extensions to the .net framework works. So, if you want to call a parallel map function you simply need to do this:

list.AsParallel().Map(n => n.ToUpper());

The AsParallel() method just looks like this:

public static IParallelEnumerable<T> AsParallel<T>(this IEnumerable<T> list)
{
    return new ParallelEnumerable<T>(list);
}

As you can see, it just takes an IEnumerable<T> and replaces it with a IParallelEnumerable<T>. This Interface/Class combo doesn't provide any sort of work, it is just a flag to use the Parallel version of methods. Currently "Map" is the only method with a parallel version. The ParallelEnumerable class just looks like this:

public class ParallelEnumerable<T> : IParallelEnumerable<T>
{
    private IEnumerable<T> enumerable;

    public ParallelEnumerable(IEnumerable<T> list)
    {
        if (list == null) throw new ArgumentNullException("list");
        this.enumerable = list;
    }

    IEnumerator IEnumerable.GetEnumerator()
    {
        return this.enumerable.GetEnumerator();
    } 

    public IEnumerator<T> GetEnumerator()
    {
        return this.enumerable.GetEnumerator();
    }
}

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