/
NullableAttribute.cs
33 lines (29 loc) · 1.29 KB
/
NullableAttribute.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.
using System.ComponentModel;
namespace System.Runtime.CompilerServices
{
/// <summary>
/// Reserved for use by a compiler for tracking metadata.
/// This attribute should not be used by developers in source code.
/// </summary>
[EditorBrowsable(EditorBrowsableState.Never)]
[AttributeUsage(AttributeTargets.Class | AttributeTargets.Property | AttributeTargets.Field | AttributeTargets.Event | AttributeTargets.Parameter | AttributeTargets.ReturnValue | AttributeTargets.GenericParameter, Inherited = false)]
public sealed class NullableAttribute : Attribute
{
/// <summary>Flags specifying metadata related to nullable reference types.</summary>
public readonly byte[] NullableFlags;
/// <summary>Initializes the attribute.</summary>
/// <param name="value">The flags value.</param>
public NullableAttribute(byte value)
{
NullableFlags = new[] { value };
}
/// <summary>Initializes the attribute.</summary>
/// <param name="value">The flags value.</param>
public NullableAttribute(byte[] value)
{
NullableFlags = value;
}
}
}