jtulach@402: package org.apidesign.effectivelist
jtulach@402: 
jtulach@402: /** A member of a {@link List} that makes keeping references
jtulach@402:  * to previous and next items in the list effective.
jtulach@402:  */
jtulach@403: // BEGIN: effectivelist.item
jtulach@402: trait Listable[T <: Listable[T]] {
jtulach@402:   private[effectivelist] var prev : T = _
jtulach@402:   private[effectivelist] var next : T = _
jtulach@402: }
jtulach@403: // END: effectivelist.item