FileBackedDictionary

public struct FileBackedDictionary<T> where T : Decodable, T : Encodable

  • Declaration

    Swift

    private(set) var dictionary: [String : T] { get }

  • Initialize the backed-up storage

    Remark

    if the directory for the backup files does not exist, creates it. Initiallizes the local dict from files in the directory (if any)

    Declaration

    Swift

    public init(directoryName: String)

    Parameters

    directoryName

    names the backup directory

  • Declaration

    Swift

    public static func deleteDirectory(named directoryName: String)

  • Support for dictionary style setting and getting of a value by key

    Declaration

    Swift

    public subscript(key: String) -> T? { get set }

  • Return sorted keys

    Declaration

    Swift

    public var keys: [String] { get }

  • Return values sorted by keys

    Declaration

    Swift

    public var values: [T] { get }

  • Remove the value for key from the dictionary and from the file

    Declaration

    Swift

    public mutating func removeValue(forKey key: String) throws

    Parameters

    forKey

    key

  • Remove all values from dictionary and from files

    Declaration

    Swift

    public mutating func removeAll()

  • Return names of backing files (sorted)

    Declaration

    Swift

    public var fileNames: [String] { get }

  • Return the dictionary item count

    Declaration

    Swift

    public var count: Int { get }