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Fixed FP in redundant_closure_call when closures are passed to macros #12082

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merged 1 commit into from Jan 27, 2024

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m-rph
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@m-rph m-rph commented Jan 3, 2024

There are cases where the closure call is needed in some macros, this in particular occurs when the closure has parameters. To handle this case, we allow the lint when there are no parameters in the closure, or the closure is outside a macro invocation.

fixes: #11274 #1553
changelog: FP: [redundant_closure_call] when closures with parameters are passed in macros.

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rustbot commented Jan 3, 2024

r? @dswij

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@rustbot rustbot added the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties label Jan 3, 2024
@m-rph m-rph changed the title Fixes FP in redundant_closure_call when closures are passed to macros Fixed FP in redundant_closure_call when closures are passed to macros Jan 3, 2024
clippy_lints/src/redundant_closure_call.rs Outdated Show resolved Hide resolved
$closure(1)
};
}
m!(|x| println!("{x}"));
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@m-rph m-rph Jan 13, 2024

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Something different to these?

let a = (|| 42)();
let b = (async || {
let x = something().await;
let y = something_else().await;
x * y
})();
let c = (|| {
let x = 21;
let y = 2;
x * y
})();
let d = (async || something().await)();

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Oh I missed that :D

There are cases where the closure call is needed in some macros, this in
particular occurs when the closure has parameters. To handle this case,
we allow the lint when there are no parameters in the closure, or the
closure is outside a macro invocation.

fixes: rust-lang#11274, rust-lang#1553
changelog: FP: [`redundant_closure_call`] when closures with parameters
are passed in macros.
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LGTM, Thank you!

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dswij commented Jan 27, 2024

@bors r+

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bors commented Jan 27, 2024

📌 Commit e0228ee has been approved by dswij

It is now in the queue for this repository.

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bors commented Jan 27, 2024

⌛ Testing commit e0228ee with merge 8905f78...

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bors commented Jan 27, 2024

☀️ Test successful - checks-action_dev_test, checks-action_remark_test, checks-action_test
Approved by: dswij
Pushing 8905f78 to master...

@bors bors merged commit 8905f78 into rust-lang:master Jan 27, 2024
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redundant_closure_call triggered when closure is a macro parameter
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