File: issue-81809.rs

package info (click to toggle)
rustc-web 1.70.0%2Bdfsg1-7~deb11u1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 1,517,036 kB
  • sloc: xml: 147,962; javascript: 10,210; sh: 8,590; python: 8,220; ansic: 5,901; cpp: 4,635; makefile: 4,006; asm: 2,856
file content (21 lines) | stat: -rw-r--r-- 360 bytes parent folder | download | duplicates (6) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
 
// check-pass

pub trait Indexable {
    type Idx;
}
impl Indexable for u8 {
    type Idx = u8;
}
impl Indexable for u16 {
    type Idx = u16;
}

pub trait Indexer<T: Indexable>: std::ops::Index<T::Idx, Output = T> {}

trait StoreIndex: Indexer<u8> + Indexer<u16> {}

fn foo(st: &impl StoreIndex) -> &dyn StoreIndex {
    st as &dyn StoreIndex
}

fn main() {}