File: issue-87803.rs

package info (click to toggle)
rustc 1.85.0%2Bdfsg3-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental, forky, sid, trixie
  • size: 893,396 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; perl: 29; lisp: 29; ruby: 19; sql: 11
file content (25 lines) | stat: -rw-r--r-- 469 bytes parent folder | download | duplicates (6) 
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
 
//@ check-fail
//@ known-bug: #87803

// This should pass, but using a type alias vs a reference directly
// changes late-bound -> early-bound.

trait Scanner {
    type Input<'a>;
    type Token<'a>;

    fn scan<'a>(&mut self, i : Self::Input<'a>) -> Self::Token<'a>;
}

struct IdScanner();

impl Scanner for IdScanner {
    type Input<'a> = &'a str;
    type Token<'a> = &'a str;

    fn scan<'a>(&mut self, s : &'a str) -> &'a str {
        s
    }
}

fn main() {}