Merge pull request #3428 from retronym/ticket/6260

SI-6260 Avoid double-def error with lambdas over value classes

1 files changed, 17 insertions, 0 deletions

diff --git a/test/files/pos/delambdafy_t6260_method.scala b/test/files/pos/delambdafy_t6260_method.scala
new file mode 100644
index 0000000000..93b5448227
--- /dev/null
+++ b/test/files/pos/delambdafy_t6260_method.scala
@@ -0,0 +1,17 @@
+class Box[X](val x: X) extends AnyVal {
+  def map[Y](f: X => Y): Box[Y] =
+    ((bx: Box[X]) => new Box(f(bx.x)))(this)
+}
+
+object Test {
+  def map2[X, Y](self: Box[X], f: X => Y): Box[Y] =
+    ((bx: Box[X]) => new Box(f(bx.x)))(self)
+
+  def main(args: Array[String]) {
+    val f = (x: Int) => x + 1
+    val g = (x: String) => x + x
+
+    map2(new Box(42), f)
+    new Box("abc") map g
+  }
+}