IronRuby.StandardLibrary.Yaml.Emitter.checkEmptyDocument C# (CSharp) Method

        private bool checkEmptyDocument() {
            if (!(_event is DocumentStartEvent) || _events.Count == 0) {
                return false;
            }
            ScalarEvent ev = _events.Peek() as ScalarEvent;
            return ev != null && ev.Anchor == null && ev.Tag == null && ev.Value.Length == 0;
        }