Provide message for UnsupportedOperationException thrown from AbstractCollection.add.

2016-08-27 00:26:54 +03:00
parent 23d2654afd
commit 26cbad8e7f
1 changed files with 1 additions and 1 deletions
@@ -22,7 +22,7 @@ public abstract class AbstractCollection<E> protected constructor() : MutableCol
    abstract override val size: Int
    abstract override fun iterator(): MutableIterator<E>

-    override fun add(element: E): Boolean = throw UnsupportedOperationException()
+    override fun add(element: E): Boolean = throw UnsupportedOperationException("Add not supported on this collection")

    override fun remove(element: E): Boolean {
        val iterator = iterator()