Print ".type" for singleton types

Author: nicolasstucki

library/src/scala/tasty/util/ShowSourceCode.scala

@@ -621,6 +621,7 @@ class ShowSourceCode[T <: Tasty with Singleton](tasty0: T) extends Show[T](tasty
 
       case TypeTree.Singleton(ref) =>
         printTree(ref)
+        this += ".type"
 
       case TypeTree.Refined(tpt, refinements) =>
         printTypeTree(tpt)

tests/pos/simpleSingleton.decompiled

@@ -0,0 +1,9 @@
+/** Decompiled from out/posTestFromTasty/pos/simpleSingleton/Foo.class */
+class Foo() {
+  def foo(x: scala.Int): scala.Unit = {
+    val a: x.type = x
+    val b: Foo.type = Foo
+    ()
+  }
+}
+object Foo

tests/pos/simpleSingleton.scala

@@ -0,0 +1,8 @@
+class Foo {
+  def foo(x: Int) = {
+    val a: x.type = x
+    val b: Foo.type = Foo
+  }
+}
+
+object Foo