--- a/handouts/scala-ho.tex	Sat Dec 16 23:53:28 2017 +0000
+++ b/handouts/scala-ho.tex	Mon Jan 15 23:15:34 2018 +0000
@@ -6,6 +6,10 @@
 %cheat sheet
 %http://worldline.github.io/scala-cheatsheet/
 
+% case class, apply, unappy
+% see https://medium.com/@thejasbabu/scala-pattern-matching-9c9e73ba9a8a
+
+
 \begin{document}
 
 \section*{A Crash-Course on Scala}