File: generic-lifetime-trait-impl.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-- 516 bytes parent folder | download | duplicates (18)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
// This code used to produce an ICE on the definition of trait Bar
// with the following message:
//
// Type parameter out of range when substituting in region 'a (root
// type=fn(Self) -> 'astr) (space=FnSpace, index=0)
//
// Regression test for issue #16218.

trait Bar<'a> {
    fn dummy(&'a self);
}

trait Foo<'a> {
    fn dummy(&'a self) { }
    fn bar<'b, T: Bar<'b>>(self) -> &'b str;
}

impl<'a> Foo<'a> for &'a str {
    fn bar<T: Bar<'a>>(self) -> &'a str { panic!() } //~ ERROR lifetime
}

fn main() {
}