File: infer-higher-ranked-signature.rs

package info (click to toggle)
rustc 1.88.0%2Bdfsg1-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 934,128 kB
  • sloc: xml: 158,127; python: 36,062; javascript: 19,855; sh: 19,700; cpp: 18,947; ansic: 12,993; asm: 4,792; makefile: 690; lisp: 29; perl: 29; ruby: 19; sql: 11
file content (20 lines) | stat: -rw-r--r-- 345 bytes parent folder | download | duplicates (15) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
 
//@ revisions: current next
//@ ignore-compare-mode-next-solver (explicit revisions)
//@[next] compile-flags: -Znext-solver
//@ check-pass

trait Foo {}
fn needs_foo<T>(_: T)
where
    Wrap<T>: Foo,
{
}

struct Wrap<T>(T);
impl<T> Foo for Wrap<T> where T: for<'a> Fn(&'a i32) {}

fn main() {
    needs_foo(|x| {
        x.to_string();
    });
}