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Syntax error after formatting a derive attribute that contains a block comment #4984

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SamRodri opened this issue Sep 8, 2021 · 0 comments · Fixed by #5002
Closed

Syntax error after formatting a derive attribute that contains a block comment #4984

SamRodri opened this issue Sep 8, 2021 · 0 comments · Fixed by #5002
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a-comments bug Panic, non-idempotency, invalid code, etc.

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@SamRodri
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SamRodri commented Sep 8, 2021

Formatting this code:

#[derive(/*Debug, */Clone)]
struct Foo;

generates this syntax error:

#[derive(#[derive(/*Debug, */ Clone)]
struct Foo;

I tested rustfmt 1.4.37 stable and nightly.
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a-comments bug Panic, non-idempotency, invalid code, etc.
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Handle block comment before Traits in derive attribute (issue 4984) ytmimi/rustfmt
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@SamRodri @calebcartwright