dan_clark@outlook.com
24 lines
1.4 KiB
C#
24 lines
1.4 KiB
C#
namespace System.Diagnostics.CodeAnalysis
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{
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/// <summary>Specifies that an output will not be null even if the corresponding type allows it. Specifies that an input argument was not null when the call returns.</summary>
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[AttributeUsage(AttributeTargets.Field | AttributeTargets.Parameter | AttributeTargets.Property | AttributeTargets.ReturnValue, Inherited = false)]
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public sealed class NotNullAttribute : Attribute { }
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/// <summary>Specifies that when a method returns <see cref="ReturnValue"/>, the parameter may be null even if the corresponding type disallows it.</summary>
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[AttributeUsage(AttributeTargets.Parameter, Inherited = false)]
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public sealed class MaybeNullWhenAttribute : 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 may be null.
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/// </param>
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public MaybeNullWhenAttribute(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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// NOTE: you can find the full list of attributes in this gist:
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// https://gist.github.com/Sergio0694/eb988b243dd4a720a66fe369b63e5b08.
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// Keeping this one shorter so that the Medium embed doesn't take up too much space.
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} |