Use inline format args

Author: alexcrocha

rust/ruby-rbs/build.rs

@@ -161,8 +161,8 @@ fn write_visit_trait(file: &mut File, config: &Config) -> Result<(), Box<dyn std
         let node_variant_name = node.variant_name();
         let method_name = convert_name(node_variant_name, CIdentifier::Method);
 
-        writeln!(file, "           Node::{}(it) => {{", node_variant_name)?;
-        writeln!(file, "               self.visit_{}_node(it);", method_name,)?;
+        writeln!(file, "           Node::{node_variant_name}(it) => {{")?;
+        writeln!(file, "               self.visit_{method_name}_node(it);")?;
         writeln!(file, "           }}")?;
     }
 
@@ -176,10 +176,9 @@ fn write_visit_trait(file: &mut File, config: &Config) -> Result<(), Box<dyn std
         writeln!(file)?;
         writeln!(
             file,
-            "    fn visit_{}_node(&mut self, node: &{}Node) {{",
-            method_name, node_variant_name
+            "    fn visit_{method_name}_node(&mut self, node: &{node_variant_name}Node) {{"
         )?;
-        writeln!(file, "        visit_{}_node(self, node);", method_name)?;
+        writeln!(file, "        visit_{method_name}_node(self, node);")?;
         writeln!(file, "    }}")?;
     }
     writeln!(file, "}}")?;
@@ -226,8 +225,7 @@ fn write_visit_trait(file: &mut File, config: &Config) -> Result<(), Box<dyn std
 
         writeln!(
             file,
-            "pub fn visit_{}_node<V: Visit + ?Sized>(visitor: &mut V, node: &{}Node) {{",
-            method_name, node_variant_name
+            "pub fn visit_{method_name}_node<V: Visit + ?Sized>(visitor: &mut V, node: &{node_variant_name}Node) {{"
         )?;
 
         if let Some(fields) = &node.fields {