From 14719728ddbe8b71379c7702d3985f1c8b352e15 Mon Sep 17 00:00:00 2001
From: Zohar Jackson <Jakobovski@users.noreply.github.com>
Date: Mon, 10 Sep 2018 11:44:00 -0400
Subject: Update kotlin.html.markdown

---
 kotlin.html.markdown | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/kotlin.html.markdown b/kotlin.html.markdown
index 0c787d7e..86d1baa0 100644
--- a/kotlin.html.markdown
+++ b/kotlin.html.markdown
@@ -370,6 +370,12 @@ fun useObject() {
     val someRef: Any = ObjectExample // we use objects name just as is
 }
 
+
+/* The not-null assertion operator (!!) converts any value to a non-null type and
+throws an exception if the value is null.
+*/
+var b: String? = "abc"
+val l = b!!.length
 ```
 
 ### Further Reading
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