From 9ef5f6817688f814a3450126aa7383b0928e80a0 Mon Sep 17 00:00:00 2001 From: Samuel Gruetter Date: Wed, 12 Mar 2014 22:44:33 +0100 Subject: add tests from scala/test/files/{pos,neg} with explicit Unit return type --- tests/untried/pos/t2782.scala | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 tests/untried/pos/t2782.scala (limited to 'tests/untried/pos/t2782.scala') diff --git a/tests/untried/pos/t2782.scala b/tests/untried/pos/t2782.scala new file mode 100644 index 000000000..ab12aaf1f --- /dev/null +++ b/tests/untried/pos/t2782.scala @@ -0,0 +1,18 @@ +import scala.{collection => sc} + +object Test { + trait Foo[T] + + // Haven't managed to repro without using a CanBuild or CanBuildFrom implicit parameter + implicit def MapFoo[A, B, M[A, B] <: sc.Map[A,B]](implicit aFoo: Foo[A], bFoo: Foo[B], cb: sc.generic.CanBuild[(A, B), M[A, B]]) = new Foo[M[A,B]] {} + implicit object Tuple2IntIntFoo extends Foo[(Int, Int)] // no difference if this line is uncommented + implicit def Tuple2Foo[A, B] = new Foo[(A, B)] {} // nor this one + + implicitly[Foo[(Int, Int)]] +} + +class A { + def x[N[X] >: M[X], M[_], G](n: N[G], m: M[G]) = null + + x(Some(3), Seq(2)) +} -- cgit v1.2.3