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CollectionBuilderAttribute.MethodName remarks contradict CollectionBuilderAttribute(Type, String) Constructor remarks #12883

Description

@mconnew

Type of issue

Other (describe below)

Description

The constructor remarks say the following:

methodName must refer to a static method that accepts a single parameter of type ReadOnlySpan<T> and returns an instance of the collection being built containing a copy of the data from that span.

The MethodName property remarks state:

This should match the metadata name of the target method. For example, this might be ".ctor" if targeting the type's constructor.

A constructor isn't a static method and can't return an instance of the collection. The constructor documentation says other patterns might be supported in the future, but currently using CollectionBuilderAttribute to specify creating it using the constructor isn't supported.

Page URL

https://learn.microsoft.com/en-us/dotnet/api/system.runtime.compilerservices.collectionbuilderattribute.methodname?view=net-9.0&source=docs#system-runtime-compilerservices-collectionbuilderattribute-methodname

Content source URL

https://github.com/dotnet/dotnet-api-docs-temp/blob/live/xml/System.Runtime.CompilerServices/CollectionBuilderAttribute.xml

Document Version Independent Id

368975ed-1538-7808-0601-bff5a85acefd

Platform Id

3bded7f0-22bf-9686-fc8b-1d65a64ef493

Article author

@dotnet-bot

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