mirror of
https://github.com/rust-lang/rust-clippy
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171789eb45
Those two types are supported already when used indirectly. This commit adds support for direct usage as well.
36 lines
1.2 KiB
Rust
36 lines
1.2 KiB
Rust
// run-rustfix
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#![allow(unused, clippy::suspicious_map, clippy::iter_count)]
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use std::collections::{BTreeMap, BTreeSet, BinaryHeap, HashMap, HashSet, LinkedList};
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#[warn(clippy::needless_collect)]
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#[allow(unused_variables, clippy::iter_cloned_collect, clippy::iter_next_slice)]
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fn main() {
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let sample = [1; 5];
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let len = sample.iter().count();
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if sample.iter().next().is_none() {
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// Empty
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}
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sample.iter().cloned().any(|x| x == 1);
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// #7164 HashMap's and BTreeMap's `len` usage should not be linted
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sample.iter().map(|x| (x, x)).collect::<HashMap<_, _>>().len();
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sample.iter().map(|x| (x, x)).collect::<BTreeMap<_, _>>().len();
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sample.iter().map(|x| (x, x)).next().is_none();
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sample.iter().map(|x| (x, x)).next().is_none();
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// Notice the `HashSet`--this should not be linted
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sample.iter().collect::<HashSet<_>>().len();
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// Neither should this
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sample.iter().collect::<BTreeSet<_>>().len();
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sample.iter().count();
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sample.iter().next().is_none();
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sample.iter().cloned().any(|x| x == 1);
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sample.iter().any(|x| x == &1);
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// `BinaryHeap` doesn't have `contains` method
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sample.iter().count();
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sample.iter().next().is_none();
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}
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