Allow style maps to be added

1 files changed, 8 insertions, 0 deletions

diff --git a/src/main/java/org/zwobble/mammoth/internal/util/MammothOptionals.java b/src/main/java/org/zwobble/mammoth/internal/util/MammothOptionals.java
index b94a168..6f2c100 100644
--- a/src/main/java/org/zwobble/mammoth/internal/util/MammothOptionals.java
+++ b/src/main/java/org/zwobble/mammoth/internal/util/MammothOptionals.java
@@ -4,6 +4,14 @@ import java.util.Optional;
 import java.util.function.BiFunction;
 
 public class MammothOptionals {
+    public static <T> Optional<T> first(Optional<T> first, Optional<T> second) {
+        if (first.isPresent()) {
+            return first;
+        } else {
+            return second;
+        }
+    }
+
     public static <T1, T2, R> Optional<R> flatMap(
         Optional<T1> first,
         Optional<T2> second,