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author | Adriaan Moors <adriaan.moors@epfl.ch> | 2012-08-08 09:57:04 -0700 |
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committer | Adriaan Moors <adriaan.moors@epfl.ch> | 2012-08-08 09:57:04 -0700 |
commit | adbdb18d93374b7c68f77649cc7ec4c3b9e33f4b (patch) | |
tree | 235d6a4085be43973453678e41d8e3e11cfccb2a /test/files/pos | |
parent | 589ac216d97d7bd2a03dda84a71622459e10a8f7 (diff) | |
parent | 52fa311f885e20b05178bf28553f3952ba8a5df7 (diff) | |
download | scala-adbdb18d93374b7c68f77649cc7ec4c3b9e33f4b.tar.gz scala-adbdb18d93374b7c68f77649cc7ec4c3b9e33f4b.tar.bz2 scala-adbdb18d93374b7c68f77649cc7ec4c3b9e33f4b.zip |
Merge pull request #1088 from adriaanm/ticket-6205
SI-6205 make pt fully defined before inferTypedPattern
Diffstat (limited to 'test/files/pos')
-rw-r--r-- | test/files/pos/t6205.scala | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/test/files/pos/t6205.scala b/test/files/pos/t6205.scala new file mode 100644 index 0000000000..02d924fe85 --- /dev/null +++ b/test/files/pos/t6205.scala @@ -0,0 +1,18 @@ +// original code by reporter +class A[T] +class Test1 { + def x(backing: Map[A[_], Any]) = + for( (k: A[kt], v) <- backing) + yield (k: A[kt]) +} + +// this tests same thing as above, but independent of library classes, +// earlier expansions eliminated as well as variance (everything's invariant) +case class Holder[A](a: A) +class Mapped[A] { def map[T](f: Holder[A] => T): Iterable[T] = ??? } +class Test2 { + def works(backing: Mapped[A[_]]): Iterable[A[_]] + = backing.map(x => + x match {case Holder(k: A[kt]) => (k: A[kt])} + ) +}
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