| error: usage of `contains_key` followed by `insert` on a `BTreeMap` | |
| --> tests/ui/entry_btree.rs:10:5 | |
| | | |
| LL | / if !m.contains_key(&k) { | |
| LL | | m.insert(k, v); | |
| LL | | foo(); | |
| LL | | } | |
| | |_____^ | |
| | | |
| = note: `-D clippy::map-entry` implied by `-D warnings` | |
| = help: to override `-D warnings` add `#[allow(clippy::map_entry)]` | |
| help: try | |
| | | |
| LL ~ if let std::collections::btree_map::Entry::Vacant(e) = m.entry(k) { | |
| LL + e.insert(v); | |
| LL + foo(); | |
| LL + } | |
| | | |
| error: aborting due to 1 previous error | |