Merge pull request #900 from piodul/clippy-fixes-1.75

scylla-cql, examples: fix clippy 1.75 issues

Author: Lorak-mmk

examples/compare-tokens.rs

@@ -45,7 +45,7 @@ async fn main() -> Result<()> {
             .await?
             .rows
             .unwrap()
-            .get(0)
+            .first()
             .expect("token query no rows!")
             .columns[0]
             .as_ref()

scylla-cql/src/frame/value.rs

@@ -941,7 +941,7 @@ fn serialize_empty(buf: &mut Vec<u8>) -> Result<(), ValueTooBig> {
 impl Value for CqlValue {
     fn serialize(&self, buf: &mut Vec<u8>) -> Result<(), ValueTooBig> {
         match self {
-            CqlValue::Map(m) => serialize_map(m.iter().map(|(k, v)| (k, v)), m.len(), buf),
+            CqlValue::Map(m) => serialize_map(m.iter().map(|p| (&p.0, &p.1)), m.len(), buf),
             CqlValue::Tuple(t) => serialize_tuple(t.iter(), buf),
 
             // A UDT value is composed of successive [bytes] values, one for each field of the UDT

scylla-cql/src/types/serialize/value.rs

@@ -488,7 +488,7 @@ fn serialize_cql_value<'b>(
         CqlValue::Map(m) => serialize_mapping(
             std::any::type_name::<CqlValue>(),
             m.len(),
-            m.iter().map(|(ref k, ref v)| (k, v)),
+            m.iter().map(|p| (&p.0, &p.1)),
             typ,
             writer,
         ),