https://twitter.com/f_swallow/status/522252350463807488/photo/1

fswallow.cs

static class Extensions
{
    public static IEnumerable<T[]> ふぁぼツバめそっど<T>(this IEnumerable<T> source, Func<T, bool> predicate)
    {
        var buffer = new List<T>();

        foreach (var value in source)
        {
            if (predicate(value))
            {
                buffer.Add(value);
            }
            else if (buffer.Count > 0)
            {
                yield return buffer.ToArray();
                buffer.Clear();
            }
        }

        if (buffer.Count > 0)
        {
            yield return buffer.ToArray();
        }
    }
}