File: orphan-check-weak-aliases-covering.rs

package info (click to toggle)
rustc 1.85.0%2Bdfsg3-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental, 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 (20 lines) | stat: -rw-r--r-- 439 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
 
// Weak aliases cover type parameters if they normalize to a (local) type that covers them.

//@ check-pass
//@ revisions: classic next
//@[next] compile-flags: -Znext-solver

//@ aux-crate:foreign=parametrized-trait.rs
//@ edition:2021

#![feature(lazy_type_alias)]
#![allow(incomplete_features)]

type Alias<T> = LocalWrapper<T>;

struct Local;
struct LocalWrapper<T>(T);

impl<T> foreign::Trait1<Local, T> for Alias<T> {}

fn main() {}