rust-clippy/tests/ui/needless_option_as_deref.rs
2021-09-04 22:18:23 +08:00

13 lines
314 B
Rust

// run-rustfix
#[warn(clippy::needless_option_as_deref)]
fn main() {
// should lint
let _: Option<&usize> = Some(&1).as_deref();
let _: Option<&mut usize> = Some(&mut 1).as_deref_mut();
// should not lint
let _ = Some(Box::new(1)).as_deref();
let _ = Some(Box::new(1)).as_deref_mut();
}