Generic Function

Summary

The count-collection-items generic function returns the number of items in a collection.

Package

CAPI-INTERNALS

Syntax

count-collection-items collection &optional representation

Description

Return the number of items in the collection by calling the items-count-function . If representation is non- nil , it is used in place of the items-representation in the choice.

Examples

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))

See also

collection
get-collection-item
search-for-item