File: bad-tait-no-substs.rs

package info (click to toggle)
rustc 1.87.0%2Bdfsg1-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 925,564 kB
  • sloc: xml: 158,127; python: 36,039; javascript: 19,761; sh: 19,737; cpp: 18,981; ansic: 13,133; asm: 4,376; makefile: 710; perl: 29; lisp: 28; ruby: 19; sql: 11
file content (20 lines) | stat: -rw-r--r-- 413 bytes parent folder | download | duplicates (2) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
 
// regression test for #127353

#![feature(type_alias_impl_trait)]
trait Trait<T> {}
type Alias<'a, U> = impl Trait<U>;

pub enum UninhabitedVariants {
    Tuple(Alias),
    //~^ ERROR missing lifetime specifier
    //~| ERROR missing generics
}

#[define_opaque(Alias)]
fn uwu(x: UninhabitedVariants) {
    //~^ ERROR item does not constrain
    match x {}
    //~^ ERROR non-exhaustive patterns
}

fn main() {}