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DirectionEnum 

enum DirectionEnum

The direction in which to change an attribute whose values are arranged in a circle.

  • Take the shortest path to reach the target setting.

    Declaration

    Swift

    case shortest

  • Take the longest path to reach the target setting.

    Declaration

    Swift

    case longest

  • up

    Increase the value to reach the target setting.

    Declaration

    Swift

    case up

  • Decrease the value to reach the target setting.

    Declaration

    Swift

    case down

  • Creates a new instance with the specified raw value.

    If there is no value of the type that corresponds with the specified raw value, this initializer returns nil. For example:

    enum PaperSize: String {
    case A4, A5, Letter, Legal
}

print(PaperSize(rawValue: "Legal"))
// Prints "Optional("PaperSize.Legal")"

print(PaperSize(rawValue: "Tabloid"))
// Prints "nil"

    Declaration

    Swift

    init?(rawValue: UInt64)

    Parameters

    rawValue

    The raw value to use for the new instance.