kind: start
plm: 2.4.8 (20140928)
java: 1.8.0_05 (VM: Java HotSpot(TM) 64-Bit Server VM; version: 25.5-b02)
os: Windows 7 (version: 6.1; arch: amd64)
kind: executed
lang: Scala
exo: recursion.lessons.recursion.tree.Tree
outcome: compile
kind: executed
lang: Scala
exo: recursion.lessons.recursion.tree.Tree
outcome: compile