rust/tests/ui/option_as_ref_cloned.rs
2024-01-03 19:40:47 +01:00

22 lines
502 B
Rust

#![warn(clippy::option_as_ref_cloned)]
#![allow(clippy::clone_on_copy)]
fn main() {
let mut x = Some(String::new());
let _: Option<String> = x.as_ref().cloned();
let _: Option<String> = x.as_mut().cloned();
let y = x.as_ref();
let _: Option<&String> = y.as_ref().cloned();
macro_rules! cloned_recv {
() => {
x.as_ref()
};
}
// Don't lint when part of the expression is from a macro
let _: Option<String> = cloned_recv!().cloned();
}