Type Method


Returns a Boolean value that indicates whether the receiver can reverse a transformation.


class func allowsReverseTransformation() -> Bool

Return Value

true if the receiver supports reverse value transformations, otherwise false.

The default is true.


Subclasses should override this method to return false if they do not support reverse value transformations.

See Also

Getting Information About a Transformer

class func transformedValueClass() -> AnyClass

Returns the class of the value returned by the receiver for a forward transformation.