blob: 4fda7774b5b00058b6be6cc72d2ba4056d815176 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
|
// Test that we are imposing the requirement that every associated
// type of a bound that appears in the where clause on a struct must
// outlive the location in which the type appears, even when the
// constraint is in a where clause not a bound. Issue #22246.
#![allow(dead_code)]
pub trait TheTrait {
type TheAssocType;
}
pub struct TheType<'b> {
m: [fn(&'b()); 0]
}
impl<'b> TheTrait for TheType<'b> {
type TheAssocType = &'b ();
}
pub struct WithAssoc<T> where T : TheTrait {
m: [T; 0]
}
fn with_assoc<'a,'b>() {
// For this type to be valid, the rules require that all
// associated types of traits that appear in `WithAssoc` must
// outlive 'a. In this case, that means TheType<'b>::TheAssocType,
// which is &'b (), must outlive 'a.
let _: &'a WithAssoc<TheType<'b>> = loop { };
//~^ ERROR lifetime may not live long enough
}
fn main() {
}
|
