24 lines
684 B
Swift
24 lines
684 B
Swift
//
|
|
// Swiftfin is subject to the terms of the Mozilla Public
|
|
// License, v2.0. If a copy of the MPL was not distributed with this
|
|
// file, you can obtain one at https://mozilla.org/MPL/2.0/.
|
|
//
|
|
// Copyright (c) 2022 Jellyfin & Jellyfin Contributors
|
|
//
|
|
|
|
import Foundation
|
|
|
|
public extension Collection {
|
|
|
|
/// SwifterSwift: Safe protects the array from out of bounds by use of optional.
|
|
///
|
|
/// let arr = [1, 2, 3, 4, 5]
|
|
/// arr[safe: 1] -> 2
|
|
/// arr[safe: 10] -> nil
|
|
///
|
|
/// - Parameter index: index of element to access element.
|
|
subscript(safe index: Index) -> Element? {
|
|
indices.contains(index) ? self[index] : nil
|
|
}
|
|
}
|