chore: Internal refactor to remove repeitition (#1144)

tonic-build/src/lib.rs

@@ -197,6 +197,20 @@ impl Attributes {
     }
 }
 
+fn format_method_name<T: Service>(
+    package: &str,
+    service: &T,
+    method: &<T as Service>::Method,
+) -> String {
+    format!(
+        "{}{}{}.{}",
+        package,
+        if package.is_empty() { "" } else { "." },
+        service.identifier(),
+        method.identifier()
+    )
+}
+
 // Generates attributes given a list of (`pattern`, `attribute`) pairs. If `pattern` matches `name`, `attribute` will be included.
 fn generate_attributes<'a>(
     name: &str,
@@ -218,7 +232,7 @@ fn generate_attributes<'a>(
 fn generate_doc_comment<S: AsRef<str>>(comment: S) -> TokenStream {
     let comment = comment.as_ref();
 
-    let comment = if !comment.starts_with(" ") {
+    let comment = if !comment.starts_with(' ') {
         format!(" {}", comment)
     } else {
         comment.to_string()