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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/t7785.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/t7785.scala')
-rw-r--r-- | tests/untried/pos/t7785.scala | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/tests/untried/pos/t7785.scala b/tests/untried/pos/t7785.scala new file mode 100644 index 000000000..1de693d13 --- /dev/null +++ b/tests/untried/pos/t7785.scala @@ -0,0 +1,34 @@ +import scala.language._ + +trait R[+Repr] + +trait TraversableOps { + implicit val R: R[Nothing] = ??? + + // Removing the implicit parameter in both fixes the crash + // removing it into one only gives a valid compiler error. + trait OpsDup1[Repr] { + def force(implicit bf: R[Repr]): Any + } + + trait Ops[Repr] extends OpsDup1[Repr] { + def force(implicit bf: R[Repr], dummy: DummyImplicit): Any + } + + implicit def ct2ops[T, C[+X]](t: C[T]): + Ops[C[T]] + + def force[T](t: Option[T]) = + // ct2ops(t).force + t.force //Fails compilation on 2.10.2. + + + /* To get a closer look at the crash: + :power + val foo = typeOf[C].member(TermName("foo")) + val pt = analyzer.HasMember(TermName("force")) + val instantiated = foo.info.finalResultType.instantiateTypeParams(foo.typeParams, foo.typeParams.map(TypeVar(_))) + instantiated <:< pt + */ + def foo[T, C[+X]]: Ops[C[T]] +} |