File: issue-91492.rs

package info (click to toggle)
rustc 1.89.0%2Bdfsg1-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 906,624 kB
  • sloc: xml: 158,148; python: 34,888; javascript: 19,595; sh: 19,221; ansic: 13,046; cpp: 7,144; asm: 4,376; makefile: 692; lisp: 174; sql: 15
file content (25 lines) | stat: -rw-r--r-- 741 bytes parent folder | download | duplicates (21)
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
// Reproduce the issue with vec
pub struct NoDerives;
fn fun1(foo: &mut Vec<NoDerives>, bar: &[NoDerives]) {
    foo.extend_from_slice(bar); //~ ERROR
}

// Reproduce the issue with vec
// and demonstrate that other derives are ignored in the suggested output
#[derive(Default, PartialEq)]
pub struct SomeDerives;
fn fun2(foo: &mut Vec<SomeDerives>, bar: &[SomeDerives]) {
    foo.extend_from_slice(bar); //~ ERROR
}

// Try and fail to reproduce the issue without vec.
// No idea why it doesnt reproduce the issue but its still a useful test case.
struct Object<T, A>(T, A);
impl<T: Clone, A: Default> Object<T, A> {
    fn use_clone(&self) {}
}
fn fun3(foo: Object<NoDerives, SomeDerives>) {
    foo.use_clone(); //~ ERROR
}

fn main() {}