Optional

public extension Optional
public extension Optional where Wrapped: EmptyValueRepresentable
public extension Optional where Wrapped: Emptyable

Public Properties

  • Returns whether the receiver is nil.

    Declaration

    Swift

    var isNil: Bool { get }

  • Returns whether the receiver is NOT nil.

    Declaration

    Swift

    var isNotNil: Bool { get }

  • Returns the wrapped value or the EmptyValueRepresentable.emptyValue if the receiver is nil.

    let value: String? = nil
let retval = value.valueOrEmpty

// do something with retval which is ""

    Declaration

    Swift

    var valueOrEmpty: Wrapped { get }

  • Returns whether the receiver is empty or nil.

    Declaration

    Swift

    var isEmptyOrNil: Bool { get }

  • Returns whether the receiver is NOT empty or nil.

    Declaration

    Swift

    var isNotEmptyOrNil: Bool { get }