diff options
author | Dmitry Petrashko <dark@d-d.me> | 2016-08-24 15:37:08 +0200 |
---|---|---|
committer | GitHub <noreply@github.com> | 2016-08-24 15:37:08 +0200 |
commit | 0e8f05d88bfef95fac59f522fd9d06792126bd11 (patch) | |
tree | bd83dcabb8de09fa48b9373b9431ef8c481da5ed /tests/patmat/t8546.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/t8546.scala')
-rw-r--r-- | tests/patmat/t8546.scala | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/tests/patmat/t8546.scala b/tests/patmat/t8546.scala new file mode 100644 index 000000000..c39d749b4 --- /dev/null +++ b/tests/patmat/t8546.scala @@ -0,0 +1,49 @@ +package test + +class F1() { + private sealed abstract class T + private case class A(m: Int) extends T + private case class B() extends T + private case object C extends T + + // No warnings here + private def foo(t: T) = t match { + case A(m) => println("A:" + m) + case B() => println("B") + case C => println("C") + } + + def test(m: Int): Unit = { + foo(A(m)) + foo(B()) + foo(C) + } +} + +class F2[M]() { + private sealed abstract class T + private case class A(m: M) extends T + private case class B() extends T + private case object C extends T + + // match may not be exhaustive. It would fail on the following input: C + private def foo(t: T) = t match { + case A(m) => println("A:" + m) + case B() => println("B") + case C => println("C") + } + + def test(m: M): Unit = { + foo(A(m)) + foo(B()) + foo(C) + } + +} + +object Test { + def main(args: Array[String]): Unit = { + new F1().test(1) + new F2[Int]().test(1) + } +}
\ No newline at end of file |