tasks a-s

2013-04-10 23:57:08 -07:00 · 2013-04-10 23:57:08 -07:00 · b83f433714
commit b83f433714
parent 47bf37c096
12433 changed files with 156208 additions and 123 deletions
--- a/Task/Null-object/Scala/null-object.scala
+++ b/Task/Null-object/Scala/null-object.scala
@ -0,0 +1,22 @@
+scala> Nil
+res0: scala.collection.immutable.Nil.type = List()
+
+scala> Nil == List()
+res1: Boolean = true
+
+scala> Null
+<console>:8: error: not found: value Null
+              Null
+              ^
+
+scala> null
+res3: Null = null
+
+scala> None
+res4: None.type = None
+
+scala> Unit
+res5: Unit.type = object scala.Unit
+
+scala> val a = println()
+a: Unit = ()