...Call the constrain* function with your UIView or NSView instances as well as a closure in which you declare the constraints between the different attributes of your views. For every view on the left hand side of an equality or inequality operator, Cartography will automatically set its translatesAutoresizingMaskIntoConstraints property to false. If the view is not controlled by you–for example if it belongs to a Apple-provided UIViewController class–you should take appropriate care when declaring its constraints. You can capture multiple constraints in a group to then replace them with new constraints at a later point. ...