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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
/*============================================================
**
**
**
**
**
**
** Purpose: Represents a Label to the ILGenerator class.
**
**
===========================================================*/
using System;
using System.Reflection;
using System.Runtime.InteropServices;
namespace System.Reflection.Emit
{
// The Label class is an opaque representation of a label used by the
// ILGenerator class. The token is used to mark where labels occur in the IL
// stream and then the necessary offsets are put back in the code when the ILGenerator
// is passed to the MethodWriter.
// Labels are created by using ILGenerator.CreateLabel and their position is set
// by using ILGenerator.MarkLabel.
[Serializable]
public struct Label
{
internal int m_label;
//public Label() {
// m_label=0;
//}
internal Label(int label)
{
m_label = label;
}
internal int GetLabelValue()
{
return m_label;
}
public override int GetHashCode()
{
return m_label;
}
public override bool Equals(Object obj)
{
if (obj is Label)
return Equals((Label)obj);
else
return false;
}
public bool Equals(Label obj)
{
return obj.m_label == m_label;
}
public static bool operator ==(Label a, Label b)
{
return a.Equals(b);
}
public static bool operator !=(Label a, Label b)
{
return !(a == b);
}
}
}
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