| #![warn(clippy::unnecessary_get_then_check)] |
| |
| use std::collections::{BTreeMap, BTreeSet, HashMap, HashSet}; |
| |
| fn main() { |
| let s: HashSet<String> = HashSet::new(); |
| let _ = s.contains("a"); |
| //~^ unnecessary_get_then_check |
| let _ = !s.contains("a"); |
| //~^ unnecessary_get_then_check |
| |
| let s: HashMap<String, ()> = HashMap::new(); |
| let _ = s.contains_key("a"); |
| //~^ unnecessary_get_then_check |
| let _ = !s.contains_key("a"); |
| //~^ unnecessary_get_then_check |
| |
| let s: BTreeSet<String> = BTreeSet::new(); |
| let _ = s.contains("a"); |
| //~^ unnecessary_get_then_check |
| let _ = !s.contains("a"); |
| //~^ unnecessary_get_then_check |
| |
| let s: BTreeMap<String, ()> = BTreeMap::new(); |
| let _ = s.contains_key("a"); |
| //~^ unnecessary_get_then_check |
| let _ = !s.contains_key("a"); |
| //~^ unnecessary_get_then_check |
| |
| // Import to check that the generic annotations are kept! |
| let s: HashSet<String> = HashSet::new(); |
| let _ = s.contains::<str>("a"); |
| //~^ unnecessary_get_then_check |
| let _ = !s.contains::<str>("a"); |
| //~^ unnecessary_get_then_check |
| } |