diff options
Diffstat (limited to '')
-rw-r--r-- | src/tools/clippy/tests/ui/entry_btree.rs | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/entry_btree.rs b/src/tools/clippy/tests/ui/entry_btree.rs new file mode 100644 index 000000000..080c1d959 --- /dev/null +++ b/src/tools/clippy/tests/ui/entry_btree.rs @@ -0,0 +1,18 @@ +// run-rustfix + +#![warn(clippy::map_entry)] +#![allow(dead_code)] + +use std::collections::BTreeMap; + +fn foo() {} + +fn btree_map<K: Eq + Ord + Copy, V: Copy>(m: &mut BTreeMap<K, V>, k: K, v: V) { + // insert then do something, use if let + if !m.contains_key(&k) { + m.insert(k, v); + foo(); + } +} + +fn main() {} |