mirror of
https://github.com/rust-lang/rust-clippy
synced 2024-11-10 15:14:29 +00:00
66 lines
2.5 KiB
Rust
66 lines
2.5 KiB
Rust
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// run-rustfix
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#![warn(clippy::iter_kv_map)]
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#![allow(clippy::redundant_clone)]
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#![allow(clippy::suspicious_map)]
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use std::collections::{BTreeMap, HashMap};
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fn main() {
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let get_key = |(key, _val)| key;
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let map: HashMap<u32, u32> = HashMap::new();
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let _ = map.iter().map(|(key, _)| key).collect::<Vec<_>>();
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let _ = map.iter().map(|(_, value)| value).collect::<Vec<_>>();
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let _ = map.iter().map(|(_, v)| v + 2).collect::<Vec<_>>();
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let _ = map.iter().map(|(_, val)| val).collect::<Vec<_>>();
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let _ = map.clone().into_iter().map(|(key, _)| key).collect::<Vec<_>>();
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let _ = map.clone().into_iter().map(|(key, _)| key + 2).collect::<Vec<_>>();
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let _ = map.clone().into_iter().map(|(_, val)| val).collect::<Vec<_>>();
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let _ = map.clone().into_iter().map(|(_, val)| val + 2).collect::<Vec<_>>();
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let _ = map.clone().iter().map(|(_, val)| val).collect::<Vec<_>>();
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map.iter().map(|(key, _)| key).filter(|x| *x % 2 == 0).count();
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// Don't lint
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map.iter().filter(|(_, val)| *val % 2 == 0).map(|(key, _)| key).count();
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map.iter().map(get_key).collect::<Vec<_>>();
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// Linting the following could be an improvement to the lint
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// map.iter().filter_map(|(_, val)| (val % 2 == 0).then(val * 17)).count();
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// Lint
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map.iter().map(|(key, _value)| key * 9).count();
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map.iter().map(|(_key, value)| value * 17).count();
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let map: BTreeMap<u32, u32> = BTreeMap::new();
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let _ = map.iter().map(|(key, _)| key).collect::<Vec<_>>();
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let _ = map.iter().map(|(_, value)| value).collect::<Vec<_>>();
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let _ = map.iter().map(|(_, v)| v + 2).collect::<Vec<_>>();
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let _ = map.iter().map(|(_, val)| val).collect::<Vec<_>>();
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let _ = map.clone().into_iter().map(|(key, _)| key).collect::<Vec<_>>();
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let _ = map.clone().into_iter().map(|(key, _)| key + 2).collect::<Vec<_>>();
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let _ = map.clone().into_iter().map(|(_, val)| val).collect::<Vec<_>>();
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let _ = map.clone().into_iter().map(|(_, val)| val + 2).collect::<Vec<_>>();
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let _ = map.clone().iter().map(|(_, val)| val).collect::<Vec<_>>();
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map.iter().map(|(key, _)| key).filter(|x| *x % 2 == 0).count();
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// Don't lint
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map.iter().filter(|(_, val)| *val % 2 == 0).map(|(key, _)| key).count();
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map.iter().map(get_key).collect::<Vec<_>>();
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// Linting the following could be an improvement to the lint
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// map.iter().filter_map(|(_, val)| (val % 2 == 0).then(val * 17)).count();
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// Lint
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map.iter().map(|(key, _value)| key * 9).count();
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map.iter().map(|(_key, value)| value * 17).count();
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}
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