size
The size of the text container’s bounding rectangle.
Declaration
var size: CGSize { get set }Discussion
This property defines the maximum size for the layout area returned from lineFragmentRect(forProposedRect:at:writingDirection:remaining:). A value of 0.0 or less means no limitation.
If you don’t specify an explicit size when you initialize a text container, the system uses a default large size of (10000000.0, 10000000.0).