File: issue-52057.rs

package info (click to toggle)
rustc 1.70.0%2Bdfsg1-9
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 722,120 kB
  • sloc: xml: 147,962; javascript: 10,210; sh: 8,590; python: 8,220; ansic: 5,901; cpp: 4,635; makefile: 4,001; asm: 2,856
file content (22 lines) | stat: -rw-r--r-- 462 bytes parent folder | download | duplicates (3) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
 
// Regression test for #52057. There is an implied bound
// that `I: 'x` where `'x` is the lifetime of the reference `&mut Self::Input`
// in `parse_first`; but to observe that, one must normalize first.
//
// run-pass

pub trait Parser {
    type Input;

    fn parse_first(input: &mut Self::Input);
}

impl<'a, I, P: ?Sized> Parser for &'a mut P
where
    P: Parser<Input = I>,
{
    type Input = I;

    fn parse_first(_: &mut Self::Input) {}
}

fn main() {}