File: assoc-ty.rs

package info (click to toggle)
rustc 1.89.0%2Bdfsg1-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 906,624 kB
  • sloc: xml: 158,148; python: 34,888; javascript: 19,595; sh: 19,221; ansic: 13,046; cpp: 7,144; asm: 4,376; makefile: 692; lisp: 174; sql: 15
file content (19 lines) | stat: -rw-r--r-- 653 bytes parent folder | download | duplicates (12)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
//@ revisions: current next
//@[next] compile-flags: -Znext-solver
//@ ignore-compare-mode-next-solver (explicit revisions)

// Tests that projection doesn't explode if we accidentally
// put an associated type on an auto trait.

auto trait Trait {
    //~^ ERROR auto traits are experimental and possibly buggy
    type Output;
    //~^ ERROR auto traits cannot have associated items
}

fn main() {
    let _: <() as Trait>::Output = ();
    //[current]~^ ERROR mismatched types
    //[next]~^^ ERROR type mismatch resolving `<() as Trait>::Output normalizes-to _`
    //[next]~| ERROR type mismatch resolving `<() as Trait>::Output normalizes-to _`
}