annotate src/clojure/lang/LazilyPersistentVector.java @ 10:ef7dbbd6452c

added clojure source goodness
author Robert McIntyre <rlm@mit.edu>
date Sat, 21 Aug 2010 06:25:44 -0400
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rlm@10 1 /**
rlm@10 2 * Copyright (c) Rich Hickey. All rights reserved.
rlm@10 3 * The use and distribution terms for this software are covered by the
rlm@10 4 * Eclipse Public License 1.0 (http://opensource.org/licenses/eclipse-1.0.php)
rlm@10 5 * which can be found in the file epl-v10.html at the root of this distribution.
rlm@10 6 * By using this software in any fashion, you are agreeing to be bound by
rlm@10 7 * the terms of this license.
rlm@10 8 * You must not remove this notice, or any other, from this software.
rlm@10 9 **/
rlm@10 10
rlm@10 11 /* rich May 14, 2008 */
rlm@10 12
rlm@10 13 package clojure.lang;
rlm@10 14
rlm@10 15 import java.util.Collection;
rlm@10 16
rlm@10 17 public class LazilyPersistentVector{
rlm@10 18
rlm@10 19
rlm@10 20 static public IPersistentVector createOwning(Object... items){
rlm@10 21 if(items.length == 0)
rlm@10 22 return PersistentVector.EMPTY;
rlm@10 23 else if(items.length <= 32)
rlm@10 24 return new PersistentVector(items.length, 5, PersistentVector.EMPTY_NODE,items);
rlm@10 25 return PersistentVector.create(items);
rlm@10 26 }
rlm@10 27
rlm@10 28 static public IPersistentVector create(Collection coll){
rlm@10 29 if(!(coll instanceof ISeq) && coll.size() <= 32)
rlm@10 30 return createOwning(coll.toArray());
rlm@10 31 return PersistentVector.create(RT.seq(coll));
rlm@10 32 }
rlm@10 33
rlm@10 34 }