Contents

UIView.Invalidations.Tuple

A change that invalidates a combination of factors covered by the other invalidation types.

Declaration

struct Tuple<Invalidation1, Invalidation2> where Invalidation1 : UIViewInvalidating, Invalidation2 : UIViewInvalidating

Overview

The system uses this type when a change invalidates multiple aspects of a view. Use a tuple of the static values defined in UIViewInvalidating when more than one invalidation type applies to a change.

Topics

Creating the invalidation structure

See Also

Invalidation types