Function: MAKE-NEW-CALLBACK

Documentation

Registers a new callback. LAMBDA when the request arrives LAMBDA will be passed the value (a string) associated with the input. If NAME is not provided, or NIL, a random name will be generated. Returns NAME, or the random name if NAME was NIL.

Source

(defun make-new-callback (lambda &key (frame (context.current-frame *context*))
                                 (name nil))
  "Registers a new callback.

LAMBDA when the request arrives LAMBDA will be passed the
value (a string) associated with the input. If NAME is not
provided, or NIL, a random name will be generated.

Returns NAME, or the random name if NAME was NIL."
  (let ((effective-name (or name
                            (new-random-key (frame.callbacks frame)
                                            +action-id-length+))))
    (make-new-callback-using-class frame lambda effective-name)
    effective-name))