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// **********************************************************************
//
// Copyright (c) 2003-2016 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************
using System;
using System.Collections;
namespace IceUtilInternal
{
public sealed class Arrays
{
public static bool Equals(object[] arr1, object[] arr2)
{
if(object.ReferenceEquals(arr1, arr2))
{
return true;
}
if((arr1 == null && arr2 != null) || (arr1 != null && arr2 == null))
{
return false;
}
if(arr1.Length == arr2.Length)
{
for(int i = 0; i < arr1.Length; i++)
{
if(arr1[i] == null)
{
if(arr2[i] != null)
{
return false;
}
}
else if(!arr1[i].Equals(arr2[i]))
{
return false;
}
}
return true;
}
return false;
}
public static bool Equals(Array arr1, Array arr2)
{
if(object.ReferenceEquals(arr1, arr2))
{
return true;
}
if((arr1 == null && arr2 != null) || (arr1 != null && arr2 == null))
{
return false;
}
if(arr1.Length == arr2.Length)
{
IEnumerator e1 = arr1.GetEnumerator();
IEnumerator e2 = arr2.GetEnumerator();
while(e1.MoveNext())
{
e2.MoveNext();
if(e1.Current == null)
{
if(e2.Current != null)
{
return false;
}
}
else if(!e1.Current.Equals(e2.Current))
{
return false;
}
}
return true;
}
return false;
}
public static int GetHashCode(object[] arr)
{
int h = 5381;
for(int i = 0; i < arr.Length; i++)
{
object o = arr[i];
if(o != null)
{
IceInternal.HashUtil.hashAdd(ref h, o);
}
}
return h;
}
public static int GetHashCode(Array arr)
{
int h = 0;
foreach(object o in arr)
{
if(o != null)
{
IceInternal.HashUtil.hashAdd(ref h, o);
}
}
return h;
}
}
}
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