История изменений

My problem boiled down to this tiny closure

(capi:contain
     (make-instance 'lw-gt:objects-displayer
                    :drawing-object (lw-gt:make-draw-line 0 10 40 10
                        :filled t :foreground :black)))

make-draw-line from-x from-y to-x to-y &rest args => apply-drawing-object

apply-drawing-object is Class

But Description states on the contrary, no any instance of apply-drawing-object required in code

The class apply-drawing-object is a drawing-object that applies a supplied function to a list of supplied arguments, normally preceded by the objects-displayer. Its main usage is for doing the actual drawing.

Is it idiosyncrasy of LispWorks?

SOLVED

My problem boiled down to this tiny closure

(capi:contain
     (make-instance 'lw-gt:objects-displayer
                    :drawing-object (lw-gt:make-draw-line 0 10 40 10
                        :filled t :foreground :black)))

make-draw-line from-x from-y to-x to-y &rest args => apply-drawing-object

apply-drawing-object is Class

But Description states on the contrary, no any instance of apply-drawing-object

The class apply-drawing-object is a drawing-object that applies a supplied function to a list of supplied arguments, normally preceded by the objects-displayer. Its main usage is for doing the actual drawing.

Is it idiosyncrasy of LispWorks?

SOLVED

My problem boiled down to this several tiny closure

(capi:contain
     (make-instance 'lw-gt:objects-displayer
                    :drawing-object (lw-gt:make-draw-line 0 10 40 10
                        :filled t :foreground :black)))

make-draw-line from-x from-y to-x to-y &rest args => apply-drawing-object

apply-drawing-object is Class

But Description states on the contrary, no any instance of apply-drawing-object

The class apply-drawing-object is a drawing-object that applies a supplied function to a list of supplied arguments, normally preceded by the objects-displayer. Its main usage is for doing the actual drawing.

Is it idiosyncrasy of LispWorks?

SOLVED