chore: Apply clippy (#189)

examples/src/routeguide/client.rs

@@ -17,12 +17,12 @@ use route_guide::routeguide_client::RouteGuideClient;
 async fn print_features(client: &mut RouteGuideClient<Channel>) -> Result<(), Box<dyn Error>> {
     let rectangle = Rectangle {
         lo: Some(Point {
-            latitude: 400000000,
-            longitude: -750000000,
+            latitude: 400_000_000,
+            longitude: -750_000_000,
         }),
         hi: Some(Point {
-            latitude: 420000000,
-            longitude: -730000000,
+            latitude: 420_000_000,
+            longitude: -730_000_000,
         }),
     };
 
@@ -96,8 +96,8 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
     println!("*** SIMPLE RPC ***");
     let response = client
         .get_feature(Request::new(Point {
-            latitude: 409146138,
-            longitude: -746188906,
+            latitude: 409_146_138,
+            longitude: -746_188_906,
         }))
         .await?;
     println!("RESPONSE = {:?}", response);

examples/src/routeguide/server.rs

@@ -195,7 +195,7 @@ fn in_range(point: &Point, rect: &Rectangle) -> bool {
 /// This code was taken from http://www.movable-type.co.uk/scripts/latlong.html.
 fn calc_distance(p1: &Point, p2: &Point) -> i32 {
     const CORD_FACTOR: f64 = 1e7;
-    const R: f64 = 6371000.0; // meters
+    const R: f64 = 6_371_000.0; // meters
 
     let lat1 = p1.latitude as f64 / CORD_FACTOR;
     let lat2 = p2.latitude as f64 / CORD_FACTOR;