69 lines
2.9 KiB
C#
69 lines
2.9 KiB
C#
// Copyright The OpenTelemetry Authors
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// SPDX-License-Identifier: Apache-2.0
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// <auto-generated /> Source: https://github.com/dotnet/runtime/blob/main/src/libraries/System.Private.CoreLib/src/System/Diagnostics/CodeAnalysis/NullableAttributes.cs
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#pragma warning disable SA1649 // File name should match first type name
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#pragma warning disable SA1402 // File may only contain a single type
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#if NETFRAMEWORK || NETSTANDARD2_0_OR_GREATER
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namespace System.Diagnostics.CodeAnalysis
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{
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#if NETFRAMEWORK || NETSTANDARD2_0
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/// <summary>Specifies that null is allowed as an input even if the corresponding type disallows it.</summary>
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[AttributeUsage(AttributeTargets.Field | AttributeTargets.Parameter | AttributeTargets.Property, Inherited = false)]
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internal sealed class AllowNullAttribute : Attribute
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{
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}
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/// <summary>Specifies that an output may be null even if the corresponding type disallows it.</summary>
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[AttributeUsage(AttributeTargets.Field | AttributeTargets.Parameter | AttributeTargets.Property | AttributeTargets.ReturnValue, Inherited = false)]
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internal sealed class MaybeNullAttribute : Attribute
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{
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}
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/// <summary>Specifies that when a method returns <see cref="ReturnValue"/>, the parameter will not be null even if the corresponding type allows it.</summary>
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[AttributeUsage(AttributeTargets.Parameter, Inherited = false)]
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internal sealed class NotNullWhenAttribute : Attribute
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{
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/// <summary>Initializes the attribute with the specified return value condition.</summary>
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/// <param name="returnValue">
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/// The return value condition. If the method returns this value, the associated parameter will not be null.
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/// </param>
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public NotNullWhenAttribute(bool returnValue) => ReturnValue = returnValue;
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/// <summary>Gets the return value condition.</summary>
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public bool ReturnValue { get; }
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}
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[AttributeUsage(AttributeTargets.Property | AttributeTargets.Parameter | AttributeTargets.ReturnValue, AllowMultiple = true, Inherited = false)]
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internal sealed class NotNullIfNotNullAttribute : Attribute
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{
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public NotNullIfNotNullAttribute(string parameterName) => ParameterName = parameterName;
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public string ParameterName { get; }
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}
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#endif
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[AttributeUsage(AttributeTargets.Method | AttributeTargets.Property, Inherited = false, AllowMultiple = true)]
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internal sealed class MemberNotNullWhenAttribute : Attribute
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{
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public MemberNotNullWhenAttribute(bool returnValue, string member)
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{
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ReturnValue = returnValue;
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Members = [member];
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}
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public MemberNotNullWhenAttribute(bool returnValue, params string[] members)
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{
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ReturnValue = returnValue;
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Members = members;
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}
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public bool ReturnValue { get; }
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public string[] Members { get; }
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}
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}
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#endif
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