1 files changed, 10 insertions, 0 deletions
diff --git a/src/partest/scala/tools/partest/ReplTest.scala b/src/partest/scala/tools/partest/ReplTest.scala
index 232d605bb0..b7bd8efcf4 100644
--- a/src/partest/scala/tools/partest/ReplTest.scala
+++ b/src/partest/scala/tools/partest/ReplTest.scala
@@ -17,3 +17,13 @@ abstract class ReplTest extends App {
 
   show()
 }
+
+trait SigTest {
+  def returnType[T: Manifest](methodName: String) = (
+    classManifest[T].erasure.getMethods
+    . filter (x => !x.isBridge && x.getName == methodName)
+    . map (_.getGenericReturnType.toString)
+  )
+  def show[T: Manifest](methodName: String) =
+    println(manifest[T].erasure.getName +: returnType[T](methodName).distinct mkString " ")
+}