--- a/progs/lecture5.scala	Wed Feb 05 12:24:27 2020 +0000
+++ b/progs/lecture5.scala	Fri Apr 10 12:12:48 2020 +0100
@@ -1,6 +1,9 @@
 // Scala Lecture 5
 //=================
 
+// TODO: word count for a very large file (40GB or so)
+// Transform Farenheit into Celsius
+
 
 // Laziness with style
 //=====================