(Changed in version 2.9.0) The behavior of scanRight
has changed. The previous behavior can be reproduced with scanRight.reverse.
Prints the tree in Penn treebank format.
Prints the tree in Penn treebank format.
(Changed in version 2.9.0) transpose
throws an IllegalArgumentException
if collections are not uniformly sized.
(Since version 2.10.0) use fold instead
A representation of the constituency parse.