J2K: Improve error message in case of incorrect detach

2020-07-27 14:36:26 +03:00
parent dc963e4ff6
commit 5c745facf4
1 changed files with 3 additions and 1 deletions
@@ -56,7 +56,9 @@ abstract class JKTreeElement : JKElement, JKFormattingOwner, Cloneable {

    override fun detach(from: JKElement) {
        val prevParent = parent
-        require(from == prevParent)
+        require(from == prevParent) {
+            "Incorrect detach: From: $from, Actual: $prevParent"
+        }
        parent = null
    }