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Java example source code file (LazilyPersistentVector.java)
The LazilyPersistentVector.java Java example source code/** * Copyright (c) Rich Hickey. All rights reserved. * The use and distribution terms for this software are covered by the * Eclipse Public License 1.0 (http://opensource.org/licenses/eclipse-1.0.php) * which can be found in the file epl-v10.html at the root of this distribution. * By using this software in any fashion, you are agreeing to be bound by * the terms of this license. * You must not remove this notice, or any other, from this software. **/ /* rich May 14, 2008 */ package clojure.lang; import java.util.Collection; import java.util.RandomAccess; public class LazilyPersistentVector{ static public IPersistentVector createOwning(Object... items){ // if(items.length <= Tuple.MAX_SIZE) // return Tuple.createFromArray(items); // else if(items.length <= 32) return new PersistentVector(items.length, 5, PersistentVector.EMPTY_NODE,items); return PersistentVector.create(items); } static int fcount(Object c){ if(c instanceof Counted) return ((Counted) c).count(); return ((Collection)c).size(); } static public IPersistentVector create(Object obj){ // if((obj instanceof Counted || obj instanceof RandomAccess) // && fcount(obj) <= Tuple.MAX_SIZE) // return Tuple.createFromColl(obj); // else if(obj instanceof IReduceInit) return PersistentVector.create((IReduceInit) obj); else if(obj instanceof ISeq) return PersistentVector.create(RT.seq(obj)); else if(obj instanceof Iterable) return PersistentVector.create((Iterable)obj); else return createOwning(RT.toArray(obj)); } } Other Java examples (source code examples)Here is a short list of links related to this Java LazilyPersistentVector.java source code file: |
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