From 6d612e35a56a5d2a18fd2941de8d962ba09772f6 Mon Sep 17 00:00:00 2001
From: "Gregory.Shrago" <gregory.shrago@jetbrains.com>
Date: Fri, 8 Jul 2016 03:23:17 +0300
Subject: [PATCH] introduce single-param null-aware of(item)

---
 .../util/src/com/intellij/util/containers/JBIterable.java | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/platform/util/src/com/intellij/util/containers/JBIterable.java b/platform/util/src/com/intellij/util/containers/JBIterable.java
index e7df7259c74e..92eb82980572 100644
--- a/platform/util/src/com/intellij/util/containers/JBIterable.java
+++ b/platform/util/src/com/intellij/util/containers/JBIterable.java
@@ -148,6 +148,14 @@ public abstract class JBIterable<E> implements Iterable<E> {
     };
   }
 
+  /**
+   * Returns a {@code JBIterable} containing the one {@code element}.
+   */
+  @NotNull
+  public static <E> JBIterable<E> of(@Nullable E element) {
+    return element == null ? JBIterable.<E>empty() : from(Collections.singletonList(element));
+  }
+
   /**
    * Returns a {@code JBIterable} containing {@code elements} in the specified order.
    */