First pass at fast property access.
First pass at fast property access.

ronlobo/streamy-dart,ronlobo/streamy-dart,google/streamy-dart,srawlins/streamy-dart,ronlobo/streamy-dart,srawlins/streamy-dart,srawlins/streamy-dart,google/streamy-dart,ronlobo/streamy-dart,google/streamy-dart,google/streamy-dart,srawlins/streamy-dart