File: wf-outlives-ty-in-fn-or-trait.rs

package info (click to toggle)
rustc 1.85.0%2Bdfsg2-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 893,176 kB
  • sloc: xml: 158,127; python: 35,830; javascript: 19,497; cpp: 19,002; sh: 17,245; ansic: 13,127; asm: 4,376; makefile: 1,051; lisp: 29; perl: 29; ruby: 19; sql: 11
file content (22 lines) | stat: -rw-r--r-- 370 bytes parent folder | download | duplicates (25) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
 
#![feature(rustc_attrs)]
#![allow(dead_code)]

trait Trait<'a, T> {
    type Out;
}

impl<'a, T> Trait<'a, T> for usize {
    type Out = &'a fn(T); //~ ERROR `T` may not live long enough
}

struct Foo<'a,T> {
    f: &'a fn(T),
}

trait Baz<T> { }

impl<'a, T> Trait<'a, T> for u32 {
    type Out = &'a dyn Baz<T>; //~ ERROR `T` may not live long enough
}

fn main() { }