mirror of https://github.com/rust-lang/rust
39 lines
495 B
Rust
39 lines
495 B
Rust
//@ run-pass
|
|
|
|
#![allow(dead_code)]
|
|
struct Foo<'a>(&'a u8);
|
|
|
|
fn foo(x: &u8) -> Foo<'_> {
|
|
Foo(x)
|
|
}
|
|
|
|
fn foo2(x: &'_ u8) -> Foo<'_> {
|
|
Foo(x)
|
|
}
|
|
|
|
fn foo3(x: &'_ u8) -> Foo {
|
|
Foo(x)
|
|
}
|
|
|
|
fn foo4(_: Foo<'_>) {}
|
|
|
|
struct Foo2<'a, 'b> {
|
|
a: &'a u8,
|
|
b: &'b u8,
|
|
}
|
|
fn foo5<'b>(foo: Foo2<'_, 'b>) -> &'b u8 {
|
|
foo.b
|
|
}
|
|
|
|
fn main() {
|
|
let x = &5;
|
|
let _ = foo(x);
|
|
let _ = foo2(x);
|
|
let _ = foo3(x);
|
|
foo4(Foo(x));
|
|
let _ = foo5(Foo2 {
|
|
a: x,
|
|
b: &6,
|
|
});
|
|
}
|