diff options
Diffstat (limited to 'src/main/java/org/zwobble/couscous/util/ExtraArrays.java')
| -rw-r--r-- | src/main/java/org/zwobble/couscous/util/ExtraArrays.java | 9 |
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]); + } + } } |
