diff options
Diffstat (limited to 'src/main/java/org/zwobble/mammoth/internal/util/Iterables.java')
| -rw-r--r-- | src/main/java/org/zwobble/mammoth/internal/util/Iterables.java | 9 |
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()) { |
