/* ****************************************************************************
*
* 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;
#if !SILVERLIGHT
using System.Diagnostics;
#if CODEPLEX_40
using System.Linq.Expressions;
#else
using Microsoft.Linq.Expressions;
#endif
#if CODEPLEX_40
namespace System.Dynamic{
#else
namespace Microsoft.Scripting {
#endif
/// <summary>
/// ArgBuilder which always produces null.
/// </summary>
internal sealed class NullArgBuilder : ArgBuilder {
internal NullArgBuilder() { }
internal override Expression Marshal(Expression parameter) {
return Expression.Constant(null);
}
}
}
#endif
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