summaryrefslogtreecommitdiff
path: root/test/files
diff options
context:
space:
mode:
Diffstat (limited to 'test/files')
-rw-r--r--test/files/pos/sammy_exist.flags1
-rw-r--r--test/files/pos/sammy_exist.scala24
-rw-r--r--test/files/pos/sammy_overload.flags1
-rw-r--r--test/files/pos/sammy_overload.scala9
-rw-r--r--test/files/pos/t8310.flags1
-rw-r--r--test/files/pos/t8310.scala22
6 files changed, 58 insertions, 0 deletions
diff --git a/test/files/pos/sammy_exist.flags b/test/files/pos/sammy_exist.flags
new file mode 100644
index 0000000000..48fd867160
--- /dev/null
+++ b/test/files/pos/sammy_exist.flags
@@ -0,0 +1 @@
+-Xexperimental
diff --git a/test/files/pos/sammy_exist.scala b/test/files/pos/sammy_exist.scala
new file mode 100644
index 0000000000..95c7c7b68e
--- /dev/null
+++ b/test/files/pos/sammy_exist.scala
@@ -0,0 +1,24 @@
+// scala> typeOf[java.util.stream.Stream[_]].nonPrivateMember(TermName("map")).info
+// [R](x$1: java.util.function.Function[_ >: T, _ <: R])java.util.stream.Stream[R]
+
+// java.util.function.Function
+trait Fun[A, B] { def apply(x: A): B }
+
+// java.util.stream.Stream
+class S[T](x: T) { def map[R](f: Fun[_ >: T, _ <: R]): R = f(x) }
+
+class Bla { def foo: Bla = this }
+
+object T {
+ val aBlaSAM = (new S(new Bla)).map(_.foo) // : Bla should be inferred, when running under -Xexperimental [TODO]
+ val fun: Fun[Bla, Bla] = (x: Bla) => x
+ val aBlaSAMX = (new S(new Bla)).map(fun) // : Bla should be inferred, when running under -Xexperimental [TODO]
+}
+//
+// // or, maybe by variance-cast?
+// import annotation.unchecked.{uncheckedVariance => uv}
+// type SFun[-A, +B] = Fun[_ >: A, _ <: B @uv]
+//
+// def jf[T, R](f: T => R): SFun[T, R] = (x: T) => f(x): R
+//
+// val aBlaSAM = (new S(new Bla)).map(jf(_.foo)) // : Bla should be inferred [type checks, but existential inferred] \ No newline at end of file
diff --git a/test/files/pos/sammy_overload.flags b/test/files/pos/sammy_overload.flags
new file mode 100644
index 0000000000..48fd867160
--- /dev/null
+++ b/test/files/pos/sammy_overload.flags
@@ -0,0 +1 @@
+-Xexperimental
diff --git a/test/files/pos/sammy_overload.scala b/test/files/pos/sammy_overload.scala
new file mode 100644
index 0000000000..5472248f4d
--- /dev/null
+++ b/test/files/pos/sammy_overload.scala
@@ -0,0 +1,9 @@
+trait Consumer[T] {
+ def consume(x: T): Unit
+}
+
+object Test {
+ def foo(x: String): Unit = ???
+ def foo(): Unit = ???
+ val f: Consumer[_ >: String] = foo
+} \ No newline at end of file
diff --git a/test/files/pos/t8310.flags b/test/files/pos/t8310.flags
new file mode 100644
index 0000000000..48fd867160
--- /dev/null
+++ b/test/files/pos/t8310.flags
@@ -0,0 +1 @@
+-Xexperimental
diff --git a/test/files/pos/t8310.scala b/test/files/pos/t8310.scala
new file mode 100644
index 0000000000..874caf4d3b
--- /dev/null
+++ b/test/files/pos/t8310.scala
@@ -0,0 +1,22 @@
+trait Comparinator[T] { def compare(a: T, b: T): Int }
+
+object TestOkay {
+ def sort(x: Comparinator[_ >: String]) = ()
+ sort((a: String, b: String) => a.compareToIgnoreCase(b))
+}
+
+object TestOkay2 {
+ def sort[T](x: Comparinator[_ >: T]) = ()
+ sort((a: String, b: String) => a.compareToIgnoreCase(b))
+}
+
+object TestOkay3 {
+ def sort[T](xs: Option[T], x: Comparinator[_ >: T]) = ()
+ sort(Some(""), (a: String, b: String) => a.compareToIgnoreCase(b))
+}
+
+object TestKoOverloaded {
+ def sort[T](xs: Option[T]) = ()
+ def sort[T](xs: Option[T], x: Comparinator[_ >: T]) = ()
+ sort(Some(""), (a: String, b: String) => a.compareToIgnoreCase(b))
+}