Table of Contents

Class DerivedTypeShapeAttribute

Namespace
PolyType
Assembly
PolyType.dll

Specifies a known union case to be included in the type hierarchy of the current type.

[AttributeUsage(AttributeTargets.Class|AttributeTargets.Interface, AllowMultiple = true, Inherited = false)]
public class DerivedTypeShapeAttribute : Attribute
Inheritance
DerivedTypeShapeAttribute
Inherited Members

Constructors

DerivedTypeShapeAttribute(Type)

Initializes a new instance of the DerivedTypeShapeAttribute class.

public DerivedTypeShapeAttribute(Type type)

Parameters

type Type

The derived type associated with the current union case.

Properties

Name

Gets a unique string identifier for the current union case.

public string Name { get; init; }

Property Value

string

Remarks

Defaults to the name of the derived type if left unspecified.

Tag

Gets a unique numeric identifier for the current union case.

public int Tag { get; init; }

Property Value

int

Remarks

Used when serializing unions types in compact formats that require numeric identifiers.

Defaults to the order in which the union case was declared if left unspecified or set to a negative value.

Certain runtimes such as mono do not preserve ordering attribute declarations when using reflection. It is recommended that such use cases either set the property explicitly or use the source generator instead.

Type

Gets the derived type associated with the current union case.

public Type Type { get; }

Property Value

Type
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