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Report invalid uses of #[derive] #2154

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Tracked by #2172
CohenArthur opened this issue Apr 25, 2023 · 2 comments · May be fixed by #2904
Open
Tracked by #2172

Report invalid uses of #[derive] #2154

CohenArthur opened this issue Apr 25, 2023 · 2 comments · May be fixed by #2904
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@GuillaumeGomez
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enhancement good-first-pr
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Procedural Macros 2

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@CohenArthur
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https://play.rust-lang.org/?version=stable&mode=debug&edition=2021&gist=393cdbd04e6e32648c23d1816ab1c056

https://doc.rust-lang.org/stable/error_codes/E0774.html

#[derive] attributes should only be allowed on structs, enums and unions.
@CohenArthur CohenArthur added this to the Procedural Macros 1 milestone Apr 25, 2023
@CohenArthur CohenArthur mentioned this issue Apr 27, 2023
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@P-E-P P-E-P moved this to Todo in libproc_macro support May 15, 2023
@CohenArthur
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This triggers an ICE as well so we should definitely fix it

@GuillaumeGomez
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Taking a look to learn gccrs a bit more if you don't mind. :)

@GuillaumeGomez GuillaumeGomez linked a pull request Mar 5, 2024 that will close this issue
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@GuillaumeGomez GuillaumeGomez

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enhancement good-first-pr
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libproc_macro support
Status: Todo
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Procedural Macros 2
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ast: Check if the #[derive] attribute is used on a compatible item GuillaumeGomez/gccrs
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@GuillaumeGomez @CohenArthur