diff options
Diffstat (limited to 'core')
| -rw-r--r-- | core/src/main/kotlin/ca/allanwang/kau/kotlin/Streams.kt | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/core/src/main/kotlin/ca/allanwang/kau/kotlin/Streams.kt b/core/src/main/kotlin/ca/allanwang/kau/kotlin/Streams.kt index 0da6d7a..303153f 100644 --- a/core/src/main/kotlin/ca/allanwang/kau/kotlin/Streams.kt +++ b/core/src/main/kotlin/ca/allanwang/kau/kotlin/Streams.kt @@ -15,4 +15,16 @@ inline fun <T, C : MutableIterable<T>> C.kauRemoveIf(filter: (item: T) -> Boolea while (iter.hasNext()) if (filter(iter.next())) iter.remove() return this +} + +/** + * Returns the first element tha matches the predicate, + * or null if no match is found + */ +inline fun <T : Any> Iterator<T>.firstOrNull(predicate: (T) -> Boolean): T? { + while (hasNext()) { + val data = next() + if (predicate(data)) return data + } + return null }
\ No newline at end of file |