rust/tests/ui/rfcs/rfc-2093-infer-outlives/enum.rs

28 lines
520 B
Rust

#![feature(rustc_attrs)]
// Needs an explicit where clause stating outlives condition. (RFC 2093)
// Type T needs to outlive lifetime 'a.
#[rustc_outlives]
enum Foo<'a, T> { //~ ERROR rustc_outlives
One(Bar<'a, T>)
}
// Type U needs to outlive lifetime 'b
#[rustc_outlives]
struct Bar<'b, U> { //~ ERROR rustc_outlives
field2: &'b U
}
// Type K needs to outlive lifetime 'c.
#[rustc_outlives]
enum Ying<'c, K> { //~ ERROR rustc_outlives
One(&'c Yang<K>)
}
struct Yang<V> {
field2: V
}
fn main() {}