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[extension-types] Specify that it is not an error to declare an external variable #3301

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eernstg opened this issue Aug 23, 2023 · 1 comment · Fixed by #3303
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[extension-types] Specify that it is not an error to declare an external variable #3301

eernstg opened this issue Aug 23, 2023 · 1 comment · Fixed by #3303
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bug There is a mistake in the language specification or in an active document extension-types specification

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eernstg commented Aug 23, 2023

The feature specification about extension types currently says that

A compile-time error occurs if the extension type declaration declares any instance variables.

This should be extended to say that external instance variable is not an error, both final and non-final.
@eernstg eernstg added bug There is a mistake in the language specification or in an active document specification extension-types labels Aug 23, 2023
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eernstg commented Aug 23, 2023

Cf. #3303.

@eernstg eernstg mentioned this issue Aug 23, 2023
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bug There is a mistake in the language specification or in an active document extension-types specification
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Clarify that an extension type _can_ have instance variables which are external dart-lang/language
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