Update binarySearch.swift

Author: kelvins

src/swift/binarySearch.swift

@@ -18,3 +18,18 @@ func binarySearch(array: [Int], searchedElement: Int) -> Int {
     }
     return -1  // If the searched element isn't in the array
 }
+
+func main() {
+    let sortedArray = [1, 2, 3, 4, 5, 6, 7, 8, 9]
+    let elementToSearch = 5
+
+    let result = binarySearch(array: sortedArray, searchedElement: elementToSearch)
+
+    if result != -1 {
+        print("Element \(elementToSearch) found at index \(result)")
+    } else {
+        print("Element \(elementToSearch) not found in the array.")
+    }
+}
+
+main()