rust/tests/ui/needless_option_as_deref.rs

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2021-08-24 14:06:46 +00:00
// 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();
}