samples/effectivelist/src/org/apidesign/effectivelist/Listable.scala
author Jaroslav Tulach <jtulach@netbeans.org>
Wed, 05 Dec 2012 13:17:53 +0100
changeset 405 87bcc647df63
parent 403 ebe08056c60c
permissions -rw-r--r--
Bob pointed out that the extends bound is not necessary in Listable. Enough to have it in List.
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package org.apidesign.effectivelist
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/** A member of a {@link List} that makes keeping references
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 * to previous and next items in the list effective.
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 */
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// BEGIN: effectivelist.item
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trait Listable[T] {
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  private[effectivelist] var prev : T = _
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  private[effectivelist] var next : T = _
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}
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// END: effectivelist.item