Provide binarySearch with comparator for arrays.

2015-07-22 00:09:35 +03:00
parent 34afb450d8
commit aeb7666578
2 changed files with 16 additions and 0 deletions
@@ -137,6 +137,13 @@ public fun ShortArray.asList(): List<Short> {
    }
 }

+/**
+ * Searches array or range of array for provided element index using binary search algorithm. Array is expected to be sorted according to the specified [comparator].
+ */
+public fun <T> Array<out T>.binarySearch(element: T, comparator: Comparator<T>, fromIndex: Int = 0, toIndex: Int = size()): Int {
+    return Arrays.binarySearch(this, fromIndex, toIndex, element, comparator)
+}
+
 /**
 * Searches array or range of array for provided element index using binary search algorithm. Array is expected to be sorted.
 */