rust/tests/ui/impl-trait/precise-capturing/overcaptures-2024.rs

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//@ run-rustfix
//@ edition: 2018
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#![allow(unused)]
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#![deny(impl_trait_overcaptures)]
fn named<'a>(x: &'a i32) -> impl Sized { *x }
//~^ ERROR `impl Sized` will capture more lifetimes than possibly intended in edition 2024
//~| WARN this changes meaning in Rust 2024
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fn implicit(x: &i32) -> impl Sized { *x }
//~^ ERROR `impl Sized` will capture more lifetimes than possibly intended in edition 2024
//~| WARN this changes meaning in Rust 2024
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struct W;
impl W {
fn hello(&self, x: &i32) -> impl Sized + '_ { self }
//~^ ERROR `impl Sized + '_` will capture more lifetimes than possibly intended in edition 2024
//~| WARN this changes meaning in Rust 2024
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}
trait Higher<'a> {
type Output;
}
impl Higher<'_> for () {
type Output = ();
}
fn hrtb() -> impl for<'a> Higher<'a, Output = impl Sized> {}
//~^ ERROR `impl Sized` will capture more lifetimes than possibly intended in edition 2024
//~| WARN this changes meaning in Rust 2024
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fn apit(_: &impl Sized) -> impl Sized {}
//~^ ERROR `impl Sized` will capture more lifetimes than possibly intended in edition 2024
//~| WARN this changes meaning in Rust 2024
fn apit2<U>(_: &impl Sized, _: U) -> impl Sized {}
//~^ ERROR `impl Sized` will capture more lifetimes than possibly intended in edition 2024
//~| WARN this changes meaning in Rust 2024
async fn async_fn<'a>(x: &'a ()) -> impl Sized {}
//~^ ERROR `impl Sized` will capture more lifetimes than possibly intended in edition 2024
//~| WARN this changes meaning in Rust 2024
pub fn parens(x: &i32) -> &impl Clone { x }
//~^ ERROR `impl Clone` will capture more lifetimes than possibly intended in edition 2024
//~| WARN this changes meaning in Rust 2024
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fn main() {}