File: struct-assignment-validity.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 (31 lines) | stat: -rw-r--r-- 554 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
23
24
25
26
27
28
29
30
31
//@ compile-flags: -Zvalidate-mir
//@ check-pass

// Check that we don't cause cycle errors when validating pre-`RevealOpaques` MIR
// that assigns opaques through normalized projections.

#![feature(impl_trait_in_assoc_type)]

struct Bar;

trait Trait {
    type Assoc;
    fn foo() -> Foo;
}

impl Trait for Bar {
    type Assoc = impl std::fmt::Debug;
    fn foo() -> Foo
    where
        Self::Assoc:,
    {
        let x: <Bar as Trait>::Assoc = ();
        Foo { field: () }
    }
}

struct Foo {
    field: <Bar as Trait>::Assoc,
}

fn main() {}