rust/tests/ui/self/elision/ignore-non-reference-lifetimes.rs
2024-08-31 15:35:42 +03:00

25 lines
626 B
Rust

//@ check-pass
struct Foo<'a>(&'a str);
impl<'b> Foo<'b> {
fn a<'a>(self: Self, a: &'a str) -> &str {
//~^ WARNING elided lifetime has a name
a
}
fn b<'a>(self: Foo<'b>, a: &'a str) -> &str {
//~^ WARNING elided lifetime has a name
a
}
}
struct Foo2<'a>(&'a u32);
impl<'a> Foo2<'a> {
fn foo(self: &Self) -> &u32 { self.0 } // ok
fn bar(self: &Foo2<'a>) -> &u32 { self.0 } // ok (do not look into `Foo`)
fn baz2(self: Self, arg: &u32) -> &u32 { arg } // use lt from `arg`
fn baz3(self: Foo2<'a>, arg: &u32) -> &u32 { arg } // use lt from `arg`
}
fn main() {}