summary refs log tree commit diff
path: root/src/test/run-pass/object-lifetime-default-from-rptr.rs
blob: 061f71b9ae6bfc50e33df9a126aa65169c675d3b (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
36
37
38
39
40
41
// Test that the lifetime of the enclosing `&` is used for the object
// lifetime bound.

// pretty-expanded FIXME #23616

#![allow(dead_code)]

use std::fmt::Display;

trait Test {
    fn foo(&self) { }
}

struct SomeStruct<'a> {
    t: &'a Test,
    u: &'a (Test+'a),
}

fn a<'a>(t: &'a Test, mut ss: SomeStruct<'a>) {
    ss.t = t;
}

fn b<'a>(t: &'a Test, mut ss: SomeStruct<'a>) {
    ss.u = t;
}

fn c<'a>(t: &'a (Test+'a), mut ss: SomeStruct<'a>) {
    ss.t = t;
}

fn d<'a>(t: &'a (Test+'a), mut ss: SomeStruct<'a>) {
    ss.u = t;
}

fn e<'a>(_: &'a (Display+'static)) {}

fn main() {
    // Inside a function body, we can just infer both
    // lifetimes, to allow &'tmp (Display+'static).
    e(&0 as &Display);
}