assoc

(assoc key assoc_list)

The assoc function searches an association list assoc_list for key.

It returns the list entry if successful; otherwise, it returns nil.

Examples

: (setq product (list '(NAME "telephone") '(PRICE 149,00) '(COLOR "red"))) : (assoc 'name product)

(NAME "telephone")

: (assoc 'price product)

(PRICE 149,00)

: (assoc 'color product)

(COLOR "red")

: (assoc 'number product)

nil