aboutsummaryrefslogtreecommitdiff
path: root/src/main/java/org/zwobble/couscous/util/ExtraArrays.java
diff options
context:
space:
mode:
Diffstat (limited to 'src/main/java/org/zwobble/couscous/util/ExtraArrays.java')
-rw-r--r--src/main/java/org/zwobble/couscous/util/ExtraArrays.java9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/main/java/org/zwobble/couscous/util/ExtraArrays.java b/src/main/java/org/zwobble/couscous/util/ExtraArrays.java
index 457b77b..3267a29 100644
--- a/src/main/java/org/zwobble/couscous/util/ExtraArrays.java
+++ b/src/main/java/org/zwobble/couscous/util/ExtraArrays.java
@@ -1,6 +1,7 @@
package org.zwobble.couscous.util;
import java.util.Arrays;
+import java.util.Optional;
import java.util.function.BiFunction;
import java.util.function.Function;
import java.util.stream.IntStream;
@@ -20,4 +21,12 @@ public class ExtraArrays {
public static <T> Stream<T> stream(T[] array) {
return StreamSupport.stream(Arrays.spliterator(array), false);
}
+
+ public static <T> Optional<T> last(T[] array) {
+ if (array.length == 0) {
+ return Optional.empty();
+ } else {
+ return Optional.of(array[array.length - 1]);
+ }
+ }
}