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author | Samuel Gruetter <samuel.gruetter@epfl.ch> | 2014-03-12 22:44:33 +0100 |
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committer | Samuel Gruetter <samuel.gruetter@epfl.ch> | 2014-03-12 22:44:33 +0100 |
commit | 9ef5f6817688f814a3450126aa7383b0928e80a0 (patch) | |
tree | 5727a2f7f7fd665cefdb312af2785c692f04377c /tests/untried/pos/t6205.scala | |
parent | 194be919664447631ba55446eb4874979c908d27 (diff) | |
download | dotty-9ef5f6817688f814a3450126aa7383b0928e80a0.tar.gz dotty-9ef5f6817688f814a3450126aa7383b0928e80a0.tar.bz2 dotty-9ef5f6817688f814a3450126aa7383b0928e80a0.zip |
add tests from scala/test/files/{pos,neg}
with explicit Unit return type
Diffstat (limited to 'tests/untried/pos/t6205.scala')
-rw-r--r-- | tests/untried/pos/t6205.scala | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/tests/untried/pos/t6205.scala b/tests/untried/pos/t6205.scala new file mode 100644 index 000000000..52078bd5f --- /dev/null +++ b/tests/untried/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])} + ) +} |