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authorAdriaan Moors <adriaan.moors@epfl.ch>2012-05-23 02:42:06 -0700
committerAdriaan Moors <adriaan.moors@epfl.ch>2012-05-23 02:42:06 -0700
commitcebf241ad87358b0e8d2804750a4ac36e76f7091 (patch)
tree29e04607f5bf666bed4f8d78d1b757f0763fdd1e /test/files/pos/virtpatmat_exhaust.scala
parent2e7daa10097246c03df1f77aebc85f1ecdebb7e9 (diff)
parent3f7b8b58748eb70aec4269f1ef63853b5ad4af60 (diff)
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Merge pull request #601 from adriaanm/3f7b8b58748eb70aec4269f1ef63853b5ad4af60
virtpatmat: treemaker approximation refactorings and exhaustivity
Diffstat (limited to 'test/files/pos/virtpatmat_exhaust.scala')
-rw-r--r--test/files/pos/virtpatmat_exhaust.scala24
1 files changed, 24 insertions, 0 deletions
diff --git a/test/files/pos/virtpatmat_exhaust.scala b/test/files/pos/virtpatmat_exhaust.scala
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+++ b/test/files/pos/virtpatmat_exhaust.scala
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+sealed trait Option {}
+case class Choice(a: Option, b: Option) extends Option;
+case class Some(x: Boolean) extends Option;
+case object None extends Option;
+
+object test {
+
+// drop any case and it will report an error
+// note that booleans are taken into account
+ def f(opt: Option) = opt match {
+ case Choice(None, None) => 1;
+ case Choice(None, Some(_)) => 1;
+ case Choice(None, Choice(_, _)) => 1;
+ case Choice(Some(true), None) => 1;
+ case Choice(Some(false), None) => 1;
+ case Choice(Some(_), Some(_)) => 1;
+ case Choice(Some(_), Choice(_, _)) => 1;
+ case Choice(Choice(_, _), None) => 1;
+ case Choice(Choice(_, _), Some(_)) => 1;
+ case Choice(Choice(_, _), Choice(_, _)) => 1;
+ case Some(b) => 4;
+ case None => 5;
+ }
+}