1.7 dllist<%>

► |  | Embedded GUI: Widgets Within Editors

1 | Containers
2 | Controls
3 | Control Snips
4 | Helpers
5 | Snip Functions

▼ | 1 | Containers

1.1 | aligned-pasteboard%
1.2 | alignment<%>
1.3 | alignment-parent<%>
1.4 | stretchable-snip<%>
1.5 | horizontal-alignment%
1.6 | vertical-alignment%
1.7 | dllist<%>

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next
prev
for-each
map-to-list

Racket
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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.
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