diff options
Diffstat (limited to 'test/files/neg/patmat-type-check.scala')
-rw-r--r-- | test/files/neg/patmat-type-check.scala | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/test/files/neg/patmat-type-check.scala b/test/files/neg/patmat-type-check.scala index cc35089430..26d0409fa0 100644 --- a/test/files/neg/patmat-type-check.scala +++ b/test/files/neg/patmat-type-check.scala @@ -1,15 +1,15 @@ object Test { def s1 = "bob".toList match { case Seq('b', 'o', 'b') => true } // list ok - + // not final, allowed - class Bop + class Bop def s2(x: Bop) = x match { case Seq('b', 'o', 'b') => true } - + // covariance, allowed final class Bop4[+T] def s3[T](x: Bop4[T]) = x match { case Seq('b', 'o', 'b') => true } - + // contravariance, allowed final class Bop5[T, U, -V] def s4[T1, T2](x: Bop5[_, T1, T2]) = x match { case Seq('b', 'o', 'b') => true } @@ -17,7 +17,7 @@ object Test // free type parameter, allowed final class Bop3[T] def f4[T](x: Bop3[T]) = x match { case Seq('b', 'o', 'b') => true } - + // String and Array are final/invariant, disallowed def f1 = "bob".reverse match { case Seq('b', 'o', 'b') => true } // fail def f2 = "bob".toArray match { case Seq('b', 'o', 'b') => true } // fail @@ -25,7 +25,7 @@ object Test // final, no type parameters, should be disallowed final class Bop2 def f3(x: Bop2) = x match { case Seq('b', 'o', 'b') => true } // fail - + // final, invariant type parameter, should be disallowed def f4[T](x: Bop3[Char]) = x match { case Seq('b', 'o', 'b') => true } // fail } |