diff options
Diffstat (limited to 'src/main/java/org/zwobble/mammoth/internal/util/MammothIterables.java')
| -rw-r--r-- | src/main/java/org/zwobble/mammoth/internal/util/MammothIterables.java | 9 |
1 files changed, 9 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 0280ac9..b9fd029 100644 --- a/src/main/java/org/zwobble/mammoth/internal/util/MammothIterables.java +++ b/src/main/java/org/zwobble/mammoth/internal/util/MammothIterables.java @@ -30,6 +30,15 @@ public class MammothIterables { }; } + public static <T> T getFirst(Iterable<? extends T> iterable, T defaultValue) { + Iterator<? extends T> iterator = iterable.iterator(); + if (iterator.hasNext()) { + return iterator.next(); + } else { + return defaultValue; + } + } + private static <T, R> Iterator<R> map(Iterator<T> iterator, Function<T, R> function) { return new Iterator<R>() { @Override |
