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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/t3683.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/t3683.scala')
-rw-r--r-- | tests/patmat/t3683.scala | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/tests/patmat/t3683.scala b/tests/patmat/t3683.scala new file mode 100644 index 000000000..44be9d6c6 --- /dev/null +++ b/tests/patmat/t3683.scala @@ -0,0 +1,19 @@ +sealed trait Foo +sealed trait Bar extends Foo +sealed trait W[T >: Bar <: Foo] +sealed case class X() extends W[Foo] +sealed case class Y() extends W[Bar] +sealed case class Z[T >: Bar <: Foo]( + z1: W[T] +) extends W[T] + +object Main { + def func(w: W[Bar]): Int = { + w match { + // Error if I include it, warning if I do not! + // case X() => 2 + case Y() => 1 + case Z(z) => func(z) + } + } +} |