




The FLI type ns-point is a structure type for use as the Objective-C type NSPoint. The structure has two slots, :x and :y, both of foreign type :float.
When used directly in method definition or invocation, it allows automatic conversion to/from a vector of two elements of the form #(x y).
LispWorks Objective-C and Cocoa Interface User Guide and Reference Manual - 15 Feb 2015