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add noreturn attribute to functions returning ! #9491

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merged 1 commit into from
Sep 25, 2013
Merged

add noreturn attribute to functions returning ! #9491

merged 1 commit into from
Sep 25, 2013

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thestinger
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Closes #9317

@flaper87
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r+ FWIW

bors added a commit that referenced this pull request Sep 25, 2013
@bors bors closed this Sep 25, 2013
@bors bors merged commit e76bfae into rust-lang:master Sep 25, 2013
flip1995 pushed a commit to flip1995/rust that referenced this pull request Oct 6, 2022
[`drop_copy`]: Do not lint idiomatic in match arm

close rust-lang/rust-clippy#9482

changelog: [`drop_copy`]: Do not lint idiomatic in match arm
flip1995 pushed a commit to flip1995/rust that referenced this pull request Jan 12, 2023
[`drop_ref`]: don't lint idiomatic in match arm

fixes rust-lang#10122

As established in issue rust-lang#9482, it is idiomatic to use a single `drop()` expression in a match arm to achieve a side-effect of a function while discarding its output. This should also apply to cases where the function returns a reference.

The change to the lint's code was less than 1 line, because all the heavy lifting was done in PR rust-lang#9491.

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changelog: FP: [`drop_ref`]: No longer lints idiomatic expression in `match` arms
[rust-lang#10142](rust-lang/rust-clippy#10142)
<!-- changelog_checked -->
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mark functions returning ! as noreturn
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