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
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
//@ run-rustfix
//@ edition:2021
#![deny(unused_qualifications)]
#![deny(unused_imports)]
#![feature(coroutines, coroutine_trait)]
use std::ops::{
Coroutine,
CoroutineState::{self},
//~^ ERROR unused import: `*`
};
use std::pin::Pin;
#[allow(dead_code)]
fn finish<T>(mut amt: usize, mut t: T) -> T::Return
where T: Coroutine<(), Yield = ()> + Unpin,
{
loop {
match Pin::new(&mut t).resume(()) {
CoroutineState::Yielded(()) => amt = amt.checked_sub(1).unwrap(),
CoroutineState::Complete(ret) => {
assert_eq!(amt, 0);
return ret
}
}
}
}
mod foo {
pub fn bar() {}
}
pub fn main() {
use foo::bar;
bar();
//~^ ERROR unnecessary qualification
bar();
// The item `use std::string::String` is imported redundantly.
// Suppress `unused_imports` reporting, otherwise the fixed file will report an error
#[allow(unused_imports)]
use std::string::String;
let s = String::new();
let y = std::string::String::new();
// unnecessary qualification
println!("{} {}", s, y);
}
|
