Return optional element from findChild

1 files changed, 9 insertions, 0 deletions

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()) {