Report 'free function called as extension' on Function subclasses

You can't make a value of some type invokable as an extension by adding 'extension' annotation to the type
2015-05-26 17:34:43 +03:00
parent 596d378962
commit 12a6461006
3 changed files with 28 additions and 3 deletions
@@ -1,3 +1,13 @@
 fun foo(a: (String) -> Unit) {
    "".<!FREE_FUNCTION_CALLED_AS_EXTENSION!>a<!>()
 }
+
+
+
+interface A : (String) -> Unit {}
+
+fun foo(a: @extension A) {
+    // @extension annotation on an unrelated type shouldn't have any effect on this diagnostic.
+    // Only kotlin.Function{n} type annotated with @extension should
+    "".<!FREE_FUNCTION_CALLED_AS_EXTENSION!>a<!>()
+}