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author | Martin Odersky <odersky@gmail.com> | 2015-12-20 22:00:29 +0100 |
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committer | Martin Odersky <odersky@gmail.com> | 2015-12-20 22:00:45 +0100 |
commit | e51b8845fb20fe3a4e1c655d4b72e2833906bbc2 (patch) | |
tree | 91bc16867d7a709566d8be80902b3256294cf338 /tests/pos/t4911.scala | |
parent | 581fee04f808d6f7759f98358e7475e6a58138e3 (diff) | |
download | dotty-e51b8845fb20fe3a4e1c655d4b72e2833906bbc2.tar.gz dotty-e51b8845fb20fe3a4e1c655d4b72e2833906bbc2.tar.bz2 dotty-e51b8845fb20fe3a4e1c655d4b72e2833906bbc2.zip |
The big pending/pos test triage
Diffstat (limited to 'tests/pos/t4911.scala')
-rw-r--r-- | tests/pos/t4911.scala | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/tests/pos/t4911.scala b/tests/pos/t4911.scala new file mode 100644 index 000000000..cfb3792ae --- /dev/null +++ b/tests/pos/t4911.scala @@ -0,0 +1,16 @@ +import language._ + +object Test { + class Foo[T](val x: T) ; object Foo { def unapply[T](x: Foo[T]) = Some(x.x) } + def f1[T](x: Foo[T]) = x match { case Foo(y) => y } + def f2[M[_], T](x: M[T]) = x match { case Foo(y) => y } + + case class Bar[T](x: T) + def f3[T](x: Bar[T]) = x match { case Bar(y) => y } + def f4[M[_], T](x: M[T]) = x match { case Bar(y) => y } +} +// +// ./b.scala:4: warning: non variable type-argument T in type pattern Test.Foo[T] is unchecked since it is eliminated by erasure +// def f2[M[_], T](x: M[T]) = x match { case Foo(y) => y } +// ^ +// one warning found |