Do not allow compareTo() to return Int?

2014-11-26 20:14:44 +03:00
parent 304d22553c
commit 4adf74b46f
4 changed files with 30 additions and 3 deletions
@@ -0,0 +1,12 @@
+// !DIAGNOSTICS: -UNUSED_PARAMETER
+
+class C {
+    fun compareTo(c: C): Int? = null
+}
+
+fun test(c: C) {
+    c <!COMPARE_TO_TYPE_MISMATCH!><<!> c
+    c <!COMPARE_TO_TYPE_MISMATCH!><=<!> c
+    c <!COMPARE_TO_TYPE_MISMATCH!>>=<!> c
+    c <!COMPARE_TO_TYPE_MISMATCH!>><!> c
+}