The
count-collection-items
generic function returns the number of items in
collection
by calling the
items-count-function
.
representation
defaults to
nil
. If it is non-
nil
, it is used instead of the
items
of
collection
.
The following example uses
count-collection-items
to return the number of items in a list panel.
(setq list (make-instance 'capi:list-panel
:items '(1 2 3 4 5)))
(capi:count-collection-items list)
The following example shows how to count the number of items in a specified list.
(capi:count-collection-items list '(1 2))