clippy

Author: levkk

pgdog/src/frontend/router/rewrite/insert_split/mod.rs

@@ -48,8 +48,7 @@ impl RewriteModule for InsertSplitRewrite {
                             if let Some(NodeEnum::ParamRef(param)) = value.node.as_mut() {
                                 let parameter = input
                                     .bind()
-                                    .map(|bind| bind.parameter(param.number as usize - 1).ok())
-                                    .flatten()
+                                    .and_then(|bind| bind.parameter(param.number as usize - 1).ok())
                                     .flatten();
                                 if let Some(parameter) = parameter {
                                     param.number = new_bind.add_existing(parameter)?;

pgdog/src/net/messages/bind.rs

@@ -229,7 +229,7 @@ impl Bind {
     /// Add parameter with provided format.
     pub fn add_existing(&mut self, param: ParameterWithFormat<'_>) -> Result<i32, Error> {
         let format = param.format;
-        let existing = self.codes.get(0).cloned();
+        let existing = self.codes.first().cloned();
         match (format, existing) {
             (Format::Text, None)
             | (Format::Text, Some(Format::Text))