//
// 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
    }
}