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author | Miles Sabin <miles@milessabin.com> | 2016-05-20 12:49:25 +0100 |
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committer | Miles Sabin <miles@milessabin.com> | 2016-05-24 08:46:40 +0100 |
commit | 892a6d6878accb67e3fe68aefaa256396db05a90 (patch) | |
tree | 89024c06147fddf825904bc5891e1ee2cbf4c2d1 /test/files/neg/t2712-2.scala | |
parent | 207e32df30fd733e4dd1cb28fb8cb5c3153c21a6 (diff) | |
download | scala-892a6d6878accb67e3fe68aefaa256396db05a90.tar.gz scala-892a6d6878accb67e3fe68aefaa256396db05a90.tar.bz2 scala-892a6d6878accb67e3fe68aefaa256396db05a90.zip |
SI-2712 Add support for higher order unification
Diffstat (limited to 'test/files/neg/t2712-2.scala')
-rw-r--r-- | test/files/neg/t2712-2.scala | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/test/files/neg/t2712-2.scala b/test/files/neg/t2712-2.scala new file mode 100644 index 0000000000..85ed523489 --- /dev/null +++ b/test/files/neg/t2712-2.scala @@ -0,0 +1,18 @@ +package test + +class X1 +class X2 +class X3 + +trait One[A] +trait Two[A, B] + +class Foo extends Two[X1, X2] with One[X3] +object Test { + def test1[M[_], A](x: M[A]): M[A] = x + + val foo = new Foo + + test1(foo): One[X3] // fails with -Ypartial-unification enabled + test1(foo): Two[X1, X2] // fails without -Ypartial-unification +} |