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author | Guillaume Martres <smarter@ubuntu.com> | 2016-04-22 17:43:22 +0200 |
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committer | Guillaume Martres <smarter@ubuntu.com> | 2016-04-22 17:43:22 +0200 |
commit | d5dfd16083728d6d4afdf58a224a4bd2829969b1 (patch) | |
tree | 1a62f12ee3227f2ea75381068755f73d8b1205dd /tests | |
parent | 05bfe78c6f881884272e31cfd1eea993a1ad9f8a (diff) | |
download | dotty-d5dfd16083728d6d4afdf58a224a4bd2829969b1.tar.gz dotty-d5dfd16083728d6d4afdf58a224a4bd2829969b1.tar.bz2 dotty-d5dfd16083728d6d4afdf58a224a4bd2829969b1.zip |
Add test that demonstrate that #878 is fixed
It was fixed by 2460f9603b0f0ed1d73dfea99edcee9ba6261d36
Diffstat (limited to 'tests')
-rw-r--r-- | tests/pos/i878.scala | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/tests/pos/i878.scala b/tests/pos/i878.scala new file mode 100644 index 000000000..771ab58ce --- /dev/null +++ b/tests/pos/i878.scala @@ -0,0 +1,17 @@ +class X + +class Message[-A] +class Seg[+A] +class IChan[A] { + def add[B >: A](x: Seg[B])(implicit ev: Message[B]): IChan[B] = ??? +} + +class Test { + def test: Unit = { + implicit val mx: Message[X] = ??? + val fx: IChan[X] = ??? + val sx: Seg[X] = ??? + // the implicit `mx` should be used even though the type parameter of Message is contravariant + fx.add(sx) + } +} |