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author | Dmitry Petrashko <dark@d-d.me> | 2016-08-24 15:37:08 +0200 |
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committer | GitHub <noreply@github.com> | 2016-08-24 15:37:08 +0200 |
commit | 0e8f05d88bfef95fac59f522fd9d06792126bd11 (patch) | |
tree | bd83dcabb8de09fa48b9373b9431ef8c481da5ed /tests/patmat/t9351.scala | |
parent | 265ade02e522c89844076b5339267eac08e44c37 (diff) | |
parent | cc02243fbe8b7290265e1bdf540e4c2f256df199 (diff) | |
download | dotty-0e8f05d88bfef95fac59f522fd9d06792126bd11.tar.gz dotty-0e8f05d88bfef95fac59f522fd9d06792126bd11.tar.bz2 dotty-0e8f05d88bfef95fac59f522fd9d06792126bd11.zip |
Merge pull request #1364 from dotty-staging/exhaustivity2
Implementation of exhaustivity and redundancy check
Diffstat (limited to 'tests/patmat/t9351.scala')
-rw-r--r-- | tests/patmat/t9351.scala | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/tests/patmat/t9351.scala b/tests/patmat/t9351.scala new file mode 100644 index 000000000..9b9bd4312 --- /dev/null +++ b/tests/patmat/t9351.scala @@ -0,0 +1,35 @@ +trait A {} +case object B extends A {} +case object C extends A {} + +class X { + def good = { + val a: A = B + a match { + case B => + case C => + } + } + + def bad = { + val a: A = B + val o: Option[Int] = None + (a, o) match { + case (B, None) => + case (B, Some(_)) => + case (C, None) => + case (C, Some(_)) => + } + } + + def alsoGood = { + val a: A = B + val b: A = C + (a, b) match { + case (B, B) => + case (B, C) => + case (C, B) => + case (C, C) => + } + } +} |