Fix new clippy lints. (#2935)

Signed-off-by: Shachar Langbeheim <[email protected]>

Author: nihohit

glide-core/redis-rs/redis/src/cluster_async/mod.rs

@@ -2666,7 +2666,7 @@ where
     }
 }
 
-async fn calculate_topology_from_random_nodes<'a, C>(
+async fn calculate_topology_from_random_nodes<C>(
     inner: &Core<C>,
     num_of_nodes_to_query: usize,
     curr_retry: usize,

glide-core/redis-rs/redis/src/cluster_topology.rs

@@ -76,24 +76,12 @@ pub(crate) fn slot(key: &[u8]) -> u16 {
 }
 
 fn get_hashtag(key: &[u8]) -> Option<&[u8]> {
-    let open = key.iter().position(|v| *v == b'{');
-    let open = match open {
-        Some(open) => open,
-        None => return None,
-    };
+    let open = key.iter().position(|v| *v == b'{')?;
 
-    let close = key[open..].iter().position(|v| *v == b'}');
-    let close = match close {
-        Some(close) => close,
-        None => return None,
-    };
+    let close = key[open..].iter().position(|v| *v == b'}')?;
 
     let rv = &key[open + 1..open + close];
-    if rv.is_empty() {
-        None
-    } else {
-        Some(rv)
-    }
+    (!rv.is_empty()).then_some(rv)
 }
 
 /// Returns the slot that matches `key`.

glide-core/redis-rs/redis/src/sentinel.rs

@@ -343,7 +343,7 @@ fn get_valid_replicas_addresses(
 }
 
 #[cfg(feature = "aio")]
-async fn async_get_valid_replicas_addresses<'a>(
+async fn async_get_valid_replicas_addresses(
     replicas: Vec<HashMap<String, String>>,
     node_connection_info: &SentinelNodeConnectionInfo,
 ) -> Vec<ConnectionInfo> {
@@ -608,15 +608,15 @@ impl Sentinel {
         self.async_try_all_sentinels(sentinel_masters_cmd()).await
     }
 
-    async fn async_get_sentinel_replicas<'a>(
+    async fn async_get_sentinel_replicas(
         &mut self,
-        service_name: &'a str,
+        service_name: &str,
     ) -> RedisResult<Vec<HashMap<String, String>>> {
         self.async_try_all_sentinels(sentinel_replicas_cmd(service_name))
             .await
     }
 
-    async fn async_find_master_address<'a>(
+    async fn async_find_master_address(
         &mut self,
         service_name: &str,
         node_connection_info: &SentinelNodeConnectionInfo,
@@ -625,7 +625,7 @@ impl Sentinel {
         async_find_valid_master(masters, service_name, node_connection_info).await
     }
 
-    async fn async_find_valid_replica_addresses<'a>(
+    async fn async_find_valid_replica_addresses(
         &mut self,
         service_name: &str,
         node_connection_info: &SentinelNodeConnectionInfo,
@@ -667,7 +667,7 @@ impl Sentinel {
     /// There is no guarantee that we'll actually be connecting to a different replica
     /// in the next call, but in a static set of replicas (no replicas added or
     /// removed), on average we'll choose each replica the same number of times.
-    pub async fn async_replica_rotate_for<'a>(
+    pub async fn async_replica_rotate_for(
         &mut self,
         service_name: &str,
         node_connection_info: Option<&SentinelNodeConnectionInfo>,

glide-core/redis-rs/redis/tests/test_cluster_scan.rs

@@ -1178,7 +1178,7 @@ mod test_cluster_scan_async {
         for key in excepted_keys.iter() {
             assert!(keys.contains(key));
         }
-        assert!(keys.len() > 0);
+        assert!(!keys.is_empty());
     }
 
     #[tokio::test]