From db126d0087963aad877efca233fb1123e9872051 Mon Sep 17 00:00:00 2001
From: Michael Williamson <mike@zwobble.org>
Date: Sat, 4 Jun 2016 14:54:27 +0100
Subject: Return optional element from findChild

---
 src/main/java/org/zwobble/mammoth/internal/util/Iterables.java | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'src/main/java/org/zwobble/mammoth/internal/util/Iterables.java')

diff --git a/src/main/java/org/zwobble/mammoth/internal/util/Iterables.java b/src/main/java/org/zwobble/mammoth/internal/util/Iterables.java
index e9246c3..cb2ac36 100644
--- a/src/main/java/org/zwobble/mammoth/internal/util/Iterables.java
+++ b/src/main/java/org/zwobble/mammoth/internal/util/Iterables.java
@@ -26,6 +26,15 @@ public class Iterables {
         };
     }
 
+    public static <T> Optional<T> getFirst(Iterable<? extends T> iterable) {
+        Iterator<? extends T> iterator = iterable.iterator();
+        if (iterator.hasNext()) {
+            return Optional.of(iterator.next());
+        } else {
+            return Optional.empty();
+        }
+    }
+
     public static <T> T getFirst(Iterable<? extends T> iterable, T defaultValue) {
         Iterator<? extends T> iterator = iterable.iterator();
         if (iterator.hasNext()) {
-- 
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