File: normalize-cycle.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 (26 lines) | stat: -rw-r--r-- 540 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
21
22
23
24
25
26
//@ check-pass
//@ compile-flags: -Znormalize-docs
// Regression test for <https://github.com/rust-lang/rust/issues/79459>.
pub trait Query {}

pub trait AsQuery {
    type Query;
}

impl<T: Query> AsQuery for T {
    type Query = T;
}

pub trait SelectDsl<Selection> {
    type Output;
}

impl<T, Selection> SelectDsl<Selection> for T
where
    T: AsQuery,
    T::Query: SelectDsl<Selection>,
{
    type Output = <T::Query as SelectDsl<Selection>>::Output;
}

pub type Select<Source, Selection> = <Source as SelectDsl<Selection>>::Output;