mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-11-27 15:11:30 +00:00
36 lines
1.4 KiB
Rust
36 lines
1.4 KiB
Rust
// run-rustfix
|
|
|
|
#![allow(unused, clippy::suspicious_map, clippy::iter_count)]
|
|
|
|
use std::collections::{BTreeMap, BTreeSet, BinaryHeap, HashMap, HashSet, LinkedList};
|
|
|
|
#[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().collect::<Vec<_>>().len();
|
|
if sample.iter().collect::<Vec<_>>().is_empty() {
|
|
// Empty
|
|
}
|
|
sample.iter().cloned().collect::<Vec<_>>().contains(&1);
|
|
// #7164 HashMap's and BTreeMap's `len` usage should not be linted
|
|
sample.iter().map(|x| (x, x)).collect::<HashMap<_, _>>().len();
|
|
sample.iter().map(|x| (x, x)).collect::<BTreeMap<_, _>>().len();
|
|
|
|
sample.iter().map(|x| (x, x)).collect::<HashMap<_, _>>().is_empty();
|
|
sample.iter().map(|x| (x, x)).collect::<BTreeMap<_, _>>().is_empty();
|
|
|
|
// Notice the `HashSet`--this should not be linted
|
|
sample.iter().collect::<HashSet<_>>().len();
|
|
// Neither should this
|
|
sample.iter().collect::<BTreeSet<_>>().len();
|
|
|
|
sample.iter().collect::<LinkedList<_>>().len();
|
|
sample.iter().collect::<LinkedList<_>>().is_empty();
|
|
sample.iter().cloned().collect::<LinkedList<_>>().contains(&1);
|
|
sample.iter().collect::<LinkedList<_>>().contains(&&1);
|
|
|
|
// `BinaryHeap` doesn't have `contains` method
|
|
sample.iter().collect::<BinaryHeap<_>>().len();
|
|
sample.iter().collect::<BinaryHeap<_>>().is_empty();
|
|
}
|