Avoid the cast in toSet and toBuffer
Avoid the cast in toSet and toBuffer

samuelgruetter/RxScala,jbripley/RxScala,ReactiveX/RxScala,jbripley/RxScala,joohnnie/RxScala,zhongdj/RxScala,zjrstar/RxScala,hermanbanken/RxScala,TracyLu/RxScala,hermanbanken/RxScala,samuelgruetter/RxScala