Synthesized 'copy' in data classes cannot override anything since 1.3

Synthesized 'copy' introduces default values for parameters, which is prohibited for regular overrides. Report warning in language version 1.2-, error in 1.3+.
2017-09-12 15:10:03 +03:00
parent 9ae6feb2c5
commit 4c2cfd3ea9
17 changed files with 226 additions and 1 deletions
@@ -0,0 +1,7 @@
+// !LANGUAGE: +ProhibitDataClassesOverridingCopy
+
+interface WithCopy<T> {
+    fun copy(str: T): WithCopy<T>
+}
+
+<!DATA_CLASS_OVERRIDE_DEFAULT_VALUES_ERROR!>data<!> class Test(val str: String): WithCopy<String>