File: bounds-are-checked.rs

package info (click to toggle)
rustc-web 1.78.0%2Bdfsg1-2~deb11u3
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 1,245,360 kB
  • sloc: xml: 147,985; javascript: 18,022; sh: 11,083; python: 10,265; ansic: 6,172; cpp: 5,023; asm: 4,390; makefile: 4,269
file content (23 lines) | stat: -rw-r--r-- 499 bytes parent folder | download | duplicates (9) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
 
// Make sure that we check that impl trait types implement the traits that they
// claim to.

#![feature(type_alias_impl_trait)]

type X<'a> = impl Into<&'static str> + From<&'a str>;

fn f<'a: 'static>(t: &'a str) -> X<'a> {
    t
    //~^ ERROR expected generic lifetime parameter, found `'static`
}

fn extend_lt<'a>(o: &'a str) -> &'static str {
    X::<'_>::from(o).into()
}

fn main() {
    let r = {
        let s = "abcdef".to_string();
        extend_lt(&s)
    };
    println!("{}", r);
}