Minor clippy warning fixes

src/bin/dump.rs

@@ -44,7 +44,7 @@ fn main() -> Result<(), MigrateError> {
 
     let env_path = env_path.ok_or("must provide a path to the LMDB environment")?;
     let mut migrator: Migrator = Migrator::new(Path::new(&env_path))?;
-    migrator.dump(db_name.as_ref().map(String::as_str), io::stdout()).unwrap();
+    migrator.dump(db_name.as_deref(), io::stdout()).unwrap();
 
     Ok(())
 }

src/bin/rand.rs

@@ -78,7 +78,7 @@ fn main() {
     // of the pairs (assuming maximum key and value sizes).
     builder.set_map_size((511 + 65535) * num_pairs * 2);
     let rkv = Rkv::from_builder(Path::new(&path), builder).expect("Rkv");
-    let store = rkv.open_single(database.as_ref().map(|x| x.as_str()), StoreOptions::create()).expect("opened");
+    let store = rkv.open_single(database.as_deref(), StoreOptions::create()).expect("opened");
     let mut writer = rkv.write().expect("writer");
 
     // Generate random values for the number of keys and key/value lengths.

src/value.rs

@@ -221,8 +221,6 @@ impl<'v> From<&'v OwnedValue> for Value<'v> {
 
 #[cfg(test)]
 mod tests {
-    use ordered_float::OrderedFloat;
-
     use super::*;
 
     #[test]

tests/integer-store.rs

@@ -8,6 +8,7 @@
 // CONDITIONS OF ANY KIND, either express or implied. See the License for the
 // specific language governing permissions and limitations under the License.
 #![cfg(feature = "db-int-key")]
+#![allow(clippy::many_single_char_names)]
 
 use std::fs;
 

tests/manager.rs

@@ -23,6 +23,7 @@ use rkv::Rkv;
 
 /// Test that a manager can be created with simple type inference.
 #[test]
+#[allow(clippy::let_underscore_lock)]
 fn test_simple() {
     type Manager = rkv::Manager<LmdbEnvironment>;
 
@@ -31,6 +32,7 @@ fn test_simple() {
 
 /// Test that a manager can be created with simple type inference.
 #[test]
+#[allow(clippy::let_underscore_lock)]
 fn test_simple_safe() {
     type Manager = rkv::Manager<SafeModeEnvironment>;
 

tests/multi-integer-store.rs

@@ -8,6 +8,7 @@
 // CONDITIONS OF ANY KIND, either express or implied. See the License for the
 // specific language governing permissions and limitations under the License.
 #![cfg(all(feature = "db-dup-sort", feature = "db-int-key"))]
+#![allow(clippy::many_single_char_names)]
 
 use std::fs;