mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-12-23 11:33:19 +00:00
21 lines
634 B
Rust
21 lines
634 B
Rust
// run-rustfix
|
|
|
|
#![allow(unused, clippy::suspicious_map)]
|
|
|
|
use std::collections::{BTreeSet, HashMap, HashSet};
|
|
|
|
#[warn(clippy::needless_collect)]
|
|
#[allow(unused_variables, clippy::iter_cloned_collect, clippy::iter_next_slice)]
|
|
fn main() {
|
|
let sample = [1; 5];
|
|
let len = sample.iter().count();
|
|
if sample.iter().next().is_none() {
|
|
// Empty
|
|
}
|
|
sample.iter().cloned().any(|x| x == 1);
|
|
sample.iter().map(|x| (x, x)).count();
|
|
// Notice the `HashSet`--this should not be linted
|
|
sample.iter().collect::<HashSet<_>>().len();
|
|
// Neither should this
|
|
sample.iter().collect::<BTreeSet<_>>().len();
|
|
}
|