rust-clippy/tests/ui/cloned_instead_of_copied.rs

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2021-04-16 16:00:08 +00:00
#![warn(clippy::cloned_instead_of_copied)]
#![allow(unused)]
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#![allow(clippy::useless_vec)]
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fn main() {
// yay
let _ = [1].iter().cloned();
let _ = vec!["hi"].iter().cloned();
let _ = Some(&1).cloned();
let _ = Box::new([1].iter()).cloned();
let _ = Box::new(Some(&1)).cloned();
// nay
let _ = [String::new()].iter().cloned();
let _ = Some(&String::new()).cloned();
}
#[clippy::msrv = "1.34"]
fn msrv_1_34() {
let _ = [1].iter().cloned();
let _ = Some(&1).cloned();
}
#[clippy::msrv = "1.35"]
fn msrv_1_35() {
let _ = [1].iter().cloned();
let _ = Some(&1).cloned(); // Option::copied needs 1.35
}
#[clippy::msrv = "1.36"]
fn msrv_1_36() {
let _ = [1].iter().cloned(); // Iterator::copied needs 1.36
let _ = Some(&1).cloned();
}