File: from-trait-impl.rs

package info (click to toggle)
rustc 1.85.0%2Bdfsg2-3
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 893,176 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; lisp: 29; perl: 29; ruby: 19; sql: 11
file content (23 lines) | stat: -rw-r--r-- 431 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
 
trait Trait {
    type Assoc;
}

impl<X: 'static> Trait for (X,) {
    type Assoc = ();
}

struct Foo<T: Trait>(T)
where
    T::Assoc: Clone; // any predicate using `T::Assoc` works here

fn func1(foo: Foo<(&str,)>) {
    //~^ ERROR `&str` does not fulfill the required lifetime
    let _: &'static str = foo.0.0;
}

trait TestTrait {}

impl<X> TestTrait for [Foo<(X,)>; 1] {}
//~^ ERROR `X` may not live long enough

fn main() {}