internal static class Extensions
{
	internal static string GetEnumerated<T>(IEnumerable<T> items)
	{
		var sb = new StringBuilder();
		using (var enumerator = items.GetEnumerator())
		{
			if (!enumerator.MoveNext())
			{
				return String.Empty;
			}
 
			string previous = enumerator.Current.ToString();
			if (!enumerator.MoveNext())
			{
				return previous;
			}
 
			do
			{
				string current = enumerator.Current.ToString();
				sb.Append(previous);
				sb.Append(", ");
 
				previous = current;
			}
			while (enumerator.MoveNext());
 
			sb.Append(", and ");
			sb.Append(previous);
		}
 
		return sb.ToString();
	}
}
 

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