31 lines
710 B
Racket
31 lines
710 B
Racket
#lang scribble/doc
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@(require "common.ss")
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@definterface/title[dllist<%> ()]{
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Defines a doubly-linked.
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@defmethod*[([(next) (is-a?/c dllist<%>)]
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[(next [new-next (is-a?/c dllist<%>)]) void?])]{
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Gets/sets the next field to be the given dllist.}
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@defmethod*[([(prev) (is-a?/c dllist<%>)]
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[(prev [new-prev (is-a?/c dllist<%>)]) void?])]{
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Gets/sets the previous item in the list.}
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@defmethod[(for-each [f ((is-a?/c dllist<%>) . -> . void?)]) void?]{
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Applies @scheme[f] to every element of the dllist.}
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@defmethod[(map-to-list [f ((is-a?/c dllist<%>) . -> . any/c)])
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(listof any/c)]{
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Creates a Scheme list by applying @scheme[f] to every element
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of @this-obj[].}
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}
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