mirror of https://github.com/rust-lang/rust
51 lines
1.1 KiB
Rust
51 lines
1.1 KiB
Rust
//@ run-rustfix
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//@ edition:2021
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#![deny(unused_qualifications)]
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#![deny(unused_imports)]
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#![feature(coroutines, coroutine_trait)]
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use std::ops::{
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Coroutine,
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CoroutineState::{self, *},
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//~^ ERROR unused import: `*`
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};
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use std::pin::Pin;
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#[allow(dead_code)]
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fn finish<T>(mut amt: usize, mut t: T) -> T::Return
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where T: Coroutine<(), Yield = ()> + Unpin,
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{
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loop {
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match Pin::new(&mut t).resume(()) {
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CoroutineState::Yielded(()) => amt = amt.checked_sub(1).unwrap(),
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CoroutineState::Complete(ret) => {
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assert_eq!(amt, 0);
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return ret
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}
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}
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}
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}
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mod foo {
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pub fn bar() {}
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}
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pub fn main() {
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use foo::bar;
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foo::bar();
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//~^ ERROR unnecessary qualification
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bar();
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// The item `use std::string::String` is imported redundantly.
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// Suppress `unused_imports` reporting, otherwise the fixed file will report an error
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#[allow(unused_imports)]
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use std::string::String;
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let s = String::new();
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let y = std::string::String::new();
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// unnecessary qualification
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println!("{} {}", s, y);
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}
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