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Format error in suggestion for needless_lifetimes #12789

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rodrigorc opened this issue May 11, 2024 · 1 comment
Open

Format error in suggestion for needless_lifetimes #12789

rodrigorc opened this issue May 11, 2024 · 1 comment
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C-bug Category: Clippy is not doing the correct thing I-suggestion-causes-error Issue: The suggestions provided by this Lint cause an ICE/error when applied

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@rodrigorc
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rodrigorc commented May 11, 2024

Summary

The suggested fix for this clippy warning makes no sense.

Reproducer

I tried this code:

pub trait Foo {
    fn test<'s>(&'s self) -> impl Iterator<Item = i32> + 's;
}

I expected to see this happen:

-     fn test<'s>(&'s self) -> impl Iterator<Item = i32> + 's;
+     fn test(&self) -> impl Iterator<Item = i32> + '_;

Instead, this happened:

-     fn test<'s>(&'s self) -> impl Iterator<Item = i32> + 's;
+     fn test'_>(&self) -> impl Iterator<Item = i32> + 's;

That isn't syntactically valid.

There may be some interaction with the 2024 edition feature "RPIT lifetime capture"?

Version

rustc 1.79.0-beta.2 (4bf9354b9 2024-05-02)
binary: rustc
commit-hash: 4bf9354b9e6f07fc6dd881a2d313be0f63cdb8cb
commit-date: 2024-05-02
host: x86_64-unknown-linux-gnu
release: 1.79.0-beta.2
LLVM version: 18.1.4

Additional Labels

No response

@rodrigorc rodrigorc added the C-bug Category: Clippy is not doing the correct thing label May 11, 2024
@Alexendoo Alexendoo added the I-suggestion-causes-error Issue: The suggestions provided by this Lint cause an ICE/error when applied label May 11, 2024
@m-rph
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m-rph commented May 22, 2024

@rustbot claim

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Labels
C-bug Category: Clippy is not doing the correct thing I-suggestion-causes-error Issue: The suggestions provided by this Lint cause an ICE/error when applied
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3 participants