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| author | Paul Phillips <paulp@improving.org> | 2010-10-05 15:34:37 +0000 |
|---|---|---|
| committer | Paul Phillips <paulp@improving.org> | 2010-10-05 15:34:37 +0000 |
| commit | 7553e6901d52ace00bfcb670336c480766c8301c (patch) | |
| tree | 720e9fa758661c6d5cc51340b4b693433d00d696 /test/files/neg/exhausting.scala | |
| parent | a4cf7b1ec5dade69b41e59469b9b3f65415b9822 (diff) | |
| download | scala-7553e6901d52ace00bfcb670336c480766c8301c.tar.gz scala-7553e6901d52ace00bfcb670336c480766c8301c.tar.bz2 scala-7553e6901d52ace00bfcb670336c480766c8301c.zip | |
Improves exhaustiveness analysis to not warn ab...
Improves exhaustiveness analysis to not warn about types which cannot
match due to nonconformant type parameters. Also, look at the different
warnings emitted in the test case based on the presence of a constraint.
Nifty! Closes #3683, no review.
Diffstat (limited to 'test/files/neg/exhausting.scala')
| -rw-r--r-- | test/files/neg/exhausting.scala | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/test/files/neg/exhausting.scala b/test/files/neg/exhausting.scala index 8b1ea817e4..0741d7467b 100644 --- a/test/files/neg/exhausting.scala +++ b/test/files/neg/exhausting.scala @@ -28,7 +28,12 @@ object Test { case Bar1 => "ok" case Bar2 => "ok" } - def fail4[T](xx: (Foo[T], Foo[T])) = xx match { + def fail4[T <: AnyRef](xx: (Foo[T], Foo[T])) = xx match { + case (Bar1, Bar1) => () + case (Bar2, Bar3) => () + case (Bar3, _) => () + } + def fail5[T](xx: (Foo[T], Foo[T])) = xx match { case (Bar1, Bar1) => () case (Bar2, Bar3) => () case (Bar3, _) => () |