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/* ****************************************************************************
*
* Copyright (c) Microsoft Corporation.
*
* This source code is subject to terms and conditions of the Microsoft Public License. A
* copy of the license can be found in the License.html file at the root of this distribution. If
* you cannot locate the Microsoft Public License, please send an email to
* dlr@microsoft.com. By using this source code in any fashion, you are agreeing to be bound
* by the terms of the Microsoft Public License.
*
* You must not remove this notice, or any other, from this software.
*
*
* ***************************************************************************/
using System;
using Microsoft.Contracts;
namespace Microsoft.Scripting.Utils {
/// <summary>
/// Represents an array that has value equality.
/// </summary>
public class ValueArray<T> : IEquatable<ValueArray<T>> {
private readonly T[] _array;
public ValueArray(T[] array) {
ContractUtils.RequiresNotNull(array, "array");
ContractUtils.RequiresNotNullItems(array, "array");
_array = array;
}
#region IEquatable<ValueArray<T>> Members
[StateIndependent]
public bool Equals(ValueArray<T> other) {
if (other == null) return false;
return _array.ValueEquals(other._array);
}
#endregion
[Confined]
public override bool Equals(object obj) {
return Equals(obj as ValueArray<T>);
}
[Confined]
public override int GetHashCode() {
int val = 6551;
for (int i = 0; i < _array.Length; i++) {
val ^= _array[i].GetHashCode();
}
return val;
}
}
}
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