51 lines
1.1 KiB
Rust
51 lines
1.1 KiB
Rust
|
//@ 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;
|
||
|
foo::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);
|
||
|
|
||
|
}
|