rust-clippy/tests/ui/option_as_ref_cloned.fixed

21 lines
472 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.clone();
let _: Option<String> = x.clone();
let y = x.as_ref();
let _: Option<&String> = y.clone();
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();
}