Implement tryFind that returns Java optionals

1 files changed, 10 insertions, 0 deletions

diff --git a/src/main/java/org/zwobble/mammoth/internal/util/MammothIterables.java b/src/main/java/org/zwobble/mammoth/internal/util/MammothIterables.java
index cd28c14..4335dc1 100644
--- a/src/main/java/org/zwobble/mammoth/internal/util/MammothIterables.java
+++ b/src/main/java/org/zwobble/mammoth/internal/util/MammothIterables.java
@@ -3,9 +3,19 @@ package org.zwobble.mammoth.internal.util;
 import com.google.common.collect.Iterables;
 
 import java.util.Optional;
+import java.util.function.Predicate;
 
 public class MammothIterables {
     public static <T> Optional<T> tryGetLast(Iterable<T> iterable) {
         return Optional.ofNullable(Iterables.getLast(iterable, null));
     }
+
+    public static <T> Optional<T> tryFind(Iterable<T> iterable, Predicate<T> predicate) {
+        for (T element : iterable) {
+            if (predicate.test(element)) {
+                return Optional.of(element);
+            }
+        }
+        return Optional.empty();
+    }
 }