1.7 dllist<%>

Racket

interface
dllist<%> : interface?

Defines a doubly-linked.

method
(send a-dllist next) → (is-a?/c dllist<%>)
(send a-dllist next new-next) → void?
new-next : (is-a?/c dllist<%>)

Gets/sets the next field to be the given dllist.

method
(send a-dllist prev) → (is-a?/c dllist<%>)
(send a-dllist prev new-prev) → void?
new-prev : (is-a?/c dllist<%>)

Gets/sets the previous item in the list.

method
(send a-dllist for-each f) → void?
f : ((is-a?/c dllist<%>) . -> . void?)

Applies f to every element of the dllist.

method
(send a-dllist map-to-list f) → (listof any/c)
f : ((is-a?/c dllist<%>) . -> . any/c)

Creates a Racket list by applying f to every element of a-dllist.