File: type-alias-impl-trait-unconstrained-lifetime.rs

package info (click to toggle)
rustc 1.86.0%2Bdfsg1-1
  • links: PTS, VCS
  • area: main
  • in suites: experimental, forky, sid
  • size: 913,560 kB
  • sloc: xml: 158,127; python: 35,921; javascript: 19,689; sh: 19,600; cpp: 18,906; ansic: 13,124; asm: 4,376; makefile: 708; perl: 29; lisp: 29; ruby: 19; sql: 11
file content (19 lines) | stat: -rw-r--r-- 491 bytes parent folder | download | duplicates (9) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
 
// regression test for #74018

#![feature(impl_trait_in_assoc_type)]

trait Trait {
    type Associated;
    fn into(self) -> Self::Associated;
}

impl<'a, I: Iterator<Item = i32>> Trait for (i32, I) {
    //~^ ERROR the lifetime parameter `'a` is not constrained
    type Associated = (i32, impl Iterator<Item = i32>);
    fn into(self) -> Self::Associated {
        (0_i32, [0_i32].iter().copied())
        //~^ ERROR: expected generic lifetime parameter, found `'_`
    }
}

fn main() {}