Extension method for Enumerable.Intersperse?

Question

I learned the intersperse function from Haskell, and have been looking for an implementation in c#.

Intersperse takes 2 arguments, an IEnumerable source and

Answer 1

If you're wondering how to implement it, I would do so like this:

public static IEnumerable Intersperse(this IEnumerable collection, T value)
{
    foreach(T item in collection)
    {
        yield return item;
        yield return value;
    }

    yield break;
}