File: impl-unused-rps-in-assoc-type.rs

package info (click to toggle)
rustc-web 1.78.0%2Bdfsg1-2~deb12u3
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,245,420 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 (18 lines) | stat: -rw-r--r-- 370 bytes parent folder | download | duplicates (18) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
 
// Test that lifetime parameters must be constrained if they appear in
// an associated type def'n. Issue #22077.

trait Fun {
    type Output;
    fn call<'x>(&'x self) -> Self::Output;
}

struct Holder { x: String }

impl<'a> Fun for Holder { //~ ERROR E0207
    type Output = &'a str;
    fn call<'b>(&'b self) -> &'b str {
        &self.x[..]
    }
}

fn main() { }