(Changed in version 2.8.0) collect has changed. The previous behavior can be reproduced with toSeq.
True only if the next element is not null
True only if the next element is not null
Skeletal Node iterator implementation that delegates to Libuast.
It brides the gap between the contracts of a Scala iterator (.hasNext()/.next()) and a native Libuast iterator (.next() == null at the end).