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remove lifetimes that can be elided (clippy::needless_lifetimes) #69809

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merged 1 commit into from
Mar 13, 2020

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matthiaskrgr
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r? @eddyb

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@rust-highfive rust-highfive added the S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. label Mar 7, 2020
@eddyb
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eddyb commented Mar 12, 2020

cc @rust-lang/compiler Don't we have a regular lint that also does this?

I remember wanting to do something like this then hitting some sort of issue.

@@ -320,7 +320,7 @@ impl ConstMethods<'tcx> for CodegenCx<'ll, 'tcx> {
}
}

pub fn val_ty(v: &'ll Value) -> &'ll Type {
pub fn val_ty(v: &Value) -> &'_ Type {
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This is weird, shouldn't be -> &Type?

@@ -203,7 +203,7 @@ pub fn get_param(llfn: &'a Value, index: c_uint) -> &'a Value {
}

/// Safe wrapper for `LLVMGetValueName2` into a byte slice
pub fn get_value_name(value: &'a Value) -> &'a [u8] {
pub fn get_value_name(value: &Value) -> &'_ [u8] {
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More examples here, maybe search for &'_ and replace them?

Some(&self.tcx.hir())
}

fn pp_ann<'a>(&'a self) -> &'a dyn pprust_hir::PpAnn {
fn pp_ann(&self) -> &dyn pprust_hir::PpAnn {
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Hmm none of the changes in this file seem to create &'_ .

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eddyb commented Mar 12, 2020

Ah, I must be thinking of single_use_lifetimes, see #53738 (comment).

(coincidentally got notified of that issue just now)

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Right, removed the redundant anonymous lifetimes

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eddyb commented Mar 12, 2020

@bors r+

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bors commented Mar 12, 2020

📌 Commit 7b1b08c has been approved by eddyb

@bors bors added S-waiting-on-bors Status: Waiting on bors to run and complete tests. Bors will change the label on completion. and removed S-waiting-on-review Status: Awaiting review from the assignee but also interested parties. labels Mar 12, 2020
Centril added a commit to Centril/rust that referenced this pull request Mar 12, 2020
remove lifetimes that can be elided (clippy::needless_lifetimes)
bors added a commit that referenced this pull request Mar 13, 2020
Rollup of 8 pull requests

Successful merges:

 - #68746 (Make macro metavars respect (non-)hygiene)
 - #69189 (Erase regions in writeback)
 - #69402 (Extend search)
 - #69403 (Implement `Copy` for `IoSlice`)
 - #69460 (Move some `build-pass` tests to `check-pass`)
 - #69802 (fix more clippy findings)
 - #69809 (remove lifetimes that can be elided (clippy::needless_lifetimes))
 - #69949 (triagebot.toml: add ping aliases)

Failed merges:

 - #69589 (ast: `Mac`/`Macro` -> `MacCall`)

r? @ghost
Centril added a commit to Centril/rust that referenced this pull request Mar 13, 2020
remove lifetimes that can be elided (clippy::needless_lifetimes)
bors added a commit that referenced this pull request Mar 13, 2020
Rollup of 12 pull requests

Successful merges:

 - #69403 (Implement `Copy` for `IoSlice`)
 - #69460 (Move some `build-pass` tests to `check-pass`)
 - #69723 (Added doc on keyword Pub.)
 - #69802 (fix more clippy findings)
 - #69809 (remove lifetimes that can be elided (clippy::needless_lifetimes))
 - #69947 (Clean up E0423 explanation)
 - #69949 (triagebot.toml: add ping aliases)
 - #69954 (rename panic_if_ intrinsics to assert_)
 - #69960 (miri engine: fix treatment of abort intrinsic)
 - #69966 (Add more regression tests)
 - #69973 (Update stable-since version for const_int_conversion)
 - #69974 (Clean up E0434 explanation)

Failed merges:

r? @ghost
@bors bors merged commit c13548d into rust-lang:master Mar 13, 2020
@matthiaskrgr matthiaskrgr deleted the lifetimes branch January 25, 2025 09:12
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4 participants