chore: Fix clippy warning

codegen/src/main.rs

@@ -1,4 +1,4 @@
-use std::path::PathBuf;
+use std::path::{Path, PathBuf};
 
 fn main() {
     // tonic-health
@@ -45,11 +45,11 @@ fn main() {
 }
 
 fn codegen(
-    root_dir: &PathBuf,
+    root_dir: &Path,
     iface_files: &[&str],
     include_dirs: &[&str],
-    out_dir: &PathBuf,
-    file_descriptor_set_path: &PathBuf,
+    out_dir: &Path,
+    file_descriptor_set_path: &Path,
     build_client: bool,
     build_server: bool,
 ) {
@@ -59,12 +59,12 @@ fn codegen(
         .unwrap();
 
     let iface_files: Vec<PathBuf> = iface_files
-        .into_iter()
+        .iter()
         .map(|&path| root_dir.join(path))
         .collect();
 
     let include_dirs: Vec<PathBuf> = include_dirs
-        .into_iter()
+        .iter()
         .map(|&path| root_dir.join(path))
         .collect();
     let out_dir = root_dir.join(out_dir);

examples/src/dynamic/server.rs

@@ -32,10 +32,7 @@ impl Echo for MyEcho {
 }
 
 fn init_echo(args: &[String], builder: &mut RoutesBuilder) {
-    let enabled = args
-        .into_iter()
-        .find(|arg| arg.as_str() == "echo")
-        .is_some();
+    let enabled = args.iter().any(|arg| arg.as_str() == "echo");
     if enabled {
         println!("Adding Echo service...");
         let svc = EchoServer::new(MyEcho::default());
@@ -62,10 +59,7 @@ impl Greeter for MyGreeter {
 }
 
 fn init_greeter(args: &[String], builder: &mut RoutesBuilder) {
-    let enabled = args
-        .into_iter()
-        .find(|arg| arg.as_str() == "greeter")
-        .is_some();
+    let enabled = args.iter().any(|arg| arg.as_str() == "greeter");
 
     if enabled {
         println!("Adding Greeter service...");

tonic-build/src/server.rs

@@ -9,6 +9,7 @@ use proc_macro2::{Span, TokenStream};
 use quote::quote;
 use syn::{Ident, Lit, LitStr};
 
+#[allow(clippy::too_many_arguments)]
 pub(crate) fn generate_internal<T: Service>(
     service: &T,
     emit_package: bool,
@@ -209,6 +210,7 @@ pub(crate) fn generate_internal<T: Service>(
     }
 }
 
+#[allow(clippy::too_many_arguments)]
 fn generate_trait<T: Service>(
     service: &T,
     emit_package: bool,

tonic-web/src/call.rs

@@ -415,7 +415,7 @@ fn make_trailers_frame(trailers: HeaderMap) -> Vec<u8> {
 /// or the buffer jsut contained grpc message frames.
 fn find_trailers(buf: &[u8]) -> Option<usize> {
     let mut len = 0;
-    let mut temp_buf = &buf[..];
+    let mut temp_buf = buf;
 
     loop {
         // To check each frame, there must be at least GRPC_HEADER_SIZE
@@ -440,7 +440,7 @@ fn find_trailers(buf: &[u8]) -> Option<usize> {
             return None;
         }
 
-        temp_buf = &buf[len as usize..];
+        temp_buf = &buf[len..];
     }
 }
 

tonic/src/codec/encode.rs

@@ -106,14 +106,14 @@ where
             BytesMut::new()
         };
 
-        return EncodedBytes {
+        Self {
             source: Fuse::new(source),
             encoder,
             compression_encoding,
             max_message_size,
             buf,
             uncompression_buf,
-        };
+        }
     }
 }