Fishery

Source/FisheryLib/Diagnostics/Attributes/CallerArgumentExpressionAttribute.cs

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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.
+
+namespace System.Runtime.CompilerServices;
+
+/// <summary>
+/// An attribute that allows parameters to receive the expression of other parameters.
+/// </summary>
+/// <remarks>Internal copy from the BCL attribute.</remarks>
+[AttributeUsage(AttributeTargets.Parameter, AllowMultiple = false, Inherited = false)]
+internal sealed class CallerArgumentExpressionAttribute : Attribute
+{
+	/// <summary>
+	/// Initializes a new instance of the <see cref="CallerArgumentExpressionAttribute"/> class.
+	/// </summary>
+	/// <param name="parameterName">The condition parameter value.</param>
+	public CallerArgumentExpressionAttribute(string parameterName) => ParameterName = parameterName;
+
+	/// <summary>
+	/// Gets the parameter name the expression is retrieved from.
+	/// </summary>
+	public string ParameterName { get; }
+}