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-/* ____ ____ ____ ____ ______ *\
-** / __// __ \/ __// __ \/ ____/ SOcos COmpiles Scala **
-** __\_ \/ /_/ / /__/ /_/ /\_ \ (c) 2002, LAMP/EPFL **
-** /_____/\____/\___/\____/____/ **
-\* */
-
-// $Id$
-
-package scalac.ast;
-
-{#Imports#}
-
-/**
- * A tree copier that returns a new tree only if some fields have
- * changed
- */
-public class LazyTreeCopier implements TreeCopier {
-
- //########################################################################
- // Protected Fields
-
- /** The tree copier used to copy trees */
- protected final TreeCopier copier;
-
- //########################################################################
- // Public Constructors
-
- public LazyTreeCopier(TreeFactory make) {
- this(new StrictTreeCopier(make));
- }
-
- public LazyTreeCopier(TreeCopier copier) {
- this.copier = copier;
- }
-
- //########################################################################
- // Public Methods
-
- {#TreeMethods#}
-
- //########################################################################
-}