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rust-clippy/tests/ui/iter_overeager_cloned.fixed
2022-04-14 21:33:32 -04:00

51 lines
1.5 KiB
Rust

// run-rustfix
#![warn(clippy::iter_overeager_cloned, clippy::redundant_clone, clippy::filter_next)]
#![allow(dead_code, clippy::let_unit_value)]
fn main() {
let vec = vec!["1".to_string(), "2".to_string(), "3".to_string()];
let _: Option<String> = vec.iter().last().cloned();
let _: Option<String> = vec.iter().chain(vec.iter()).next().cloned();
let _: usize = vec.iter().filter(|x| x == &"2").count();
let _: Vec<_> = vec.iter().take(2).cloned().collect();
let _: Vec<_> = vec.iter().skip(2).cloned().collect();
let _ = vec.iter().filter(|x| x == &"2").nth(2).cloned();
let _ = [Some(Some("str".to_string())), Some(Some("str".to_string()))]
.iter().flatten().cloned();
// Not implemented yet
let _ = vec.iter().cloned().filter(|x| x.starts_with('2'));
// Not implemented yet
let _ = vec.iter().cloned().map(|x| x.len());
// This would fail if changed.
let _ = vec.iter().cloned().map(|x| x + "2");
// Not implemented yet
let _ = vec.iter().cloned().find(|x| x == "2");
// Not implemented yet
let _ = vec.iter().cloned().for_each(|x| assert!(!x.is_empty()));
// Not implemented yet
let _ = vec.iter().cloned().all(|x| x.len() == 1);
// Not implemented yet
let _ = vec.iter().cloned().any(|x| x.len() == 1);
// Should probably stay as it is.
let _ = [0, 1, 2, 3, 4].iter().cloned().take(10);
}
// #8527
fn cloned_flatten(x: Option<&Option<String>>) -> Option<String> {
x.cloned().flatten()
}