File: type-alias-generic-param.rs

package info (click to toggle)
rustc-web 1.78.0%2Bdfsg1-2~deb11u3
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 1,245,360 kB
  • sloc: xml: 147,985; javascript: 18,022; sh: 11,083; python: 10,265; ansic: 6,172; cpp: 5,023; asm: 4,390; makefile: 4,269
file content (23 lines) | stat: -rw-r--r-- 497 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
22
23
// Regression test for issue #59342
// Checks that we properly detect defining uses of opaque
// types in 'item' position when generic parameters are involved
//
//@ run-pass
#![feature(impl_trait_in_assoc_type)]

trait Meow { //~ WARN trait `Meow` is never used
    type MeowType;
    fn meow(self) -> Self::MeowType;
}

impl<T, I> Meow for I
where
    I: Iterator<Item = T>,
{
    type MeowType = impl Iterator<Item = T>;
    fn meow(self) -> Self::MeowType {
        self
    }
}

fn main() {}