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/**
* Copyright (c) Rich Hickey. All rights reserved.
* The use and distribution terms for this software are covered by the
* Common Public License 1.0 (http://opensource.org/licenses/cpl.php)
* which can be found in the file CPL.TXT 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.
**/
using System;
using System.Collections;
namespace clojure.lang
{
public abstract class AnArray : Obj, IArray {
public override Obj withMeta(IPersistentMap meta)
{
if(_meta == meta)
return this;
Obj ret = (Obj)MemberwiseClone();
ret._meta = meta;
return ret;
}
#region IArray Members
abstract public int length();
abstract public object nth(int i);
abstract public IArray assocN(int i, object val);
#endregion
#region IPersistentCollection Members
abstract public int count();
abstract public ISeq seq();
#endregion
public bool contains(Object key) {
try{
int i = Convert.ToInt32(key);
return i >= 0 && i < count();
}
catch(Exception)
{
return false;
}
}
public IMapEntry find(Object key) {
try
{
int i = Convert.ToInt32(key);
if(i >= 0 && i < count())
return new MapEntry(key,nth(i));
}
catch(Exception)
{
}
return null;
}
public IPersistentMap assoc(Object key, Object val) {
int i = Convert.ToInt32(key);
return (IPersistentMap) assocN(i,val);
}
public Object get(Object key) {
try
{
int i = Convert.ToInt32(key);
if(i >= 0 && i < count())
return nth(i);
}
catch (Exception)
{
}
return null;
}
}
}
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