style: simplify string formatting

crates/neon/src/types_impl/buffer/types.rs

@@ -657,8 +657,7 @@ where
 
         if (len * elt_size) != size {
             return cx.throw_range_error(format!(
-                "byte length of typed array should be a multiple of {}",
-                elt_size
+                "byte length of typed array should be a multiple of {elt_size}"
             ));
         }
 

crates/neon/src/types_impl/error.rs

@@ -121,9 +121,9 @@ pub(crate) fn convert_panics<T, F: UnwindSafe + FnOnce() -> NeonResult<T>>(
         Ok(result) => result,
         Err(panic) => {
             let msg = if let Some(string) = panic.downcast_ref::<String>() {
-                format!("internal error in Neon module: {}", string)
+                format!("internal error in Neon module: {string}")
             } else if let Some(str) = panic.downcast_ref::<&str>() {
-                format!("internal error in Neon module: {}", str)
+                format!("internal error in Neon module: {str}")
             } else {
                 "internal error in Neon module".to_string()
             };

crates/neon/src/types_impl/utf8.rs

@@ -47,7 +47,7 @@ impl<'a> Utf8<'a> {
     pub fn into_small_unwrap(self) -> SmallUtf8<'a> {
         let size = self.size();
         self.into_small().unwrap_or_else(|| {
-            panic!("{} >= i32::MAX", size);
+            panic!("{size} >= i32::MAX");
         })
     }
 

test/napi/src/js/errors.rs

@@ -27,7 +27,7 @@ pub fn throw_error(mut cx: FunctionContext) -> JsResult<JsUndefined> {
 pub fn downcast_error(mut cx: FunctionContext) -> JsResult<JsString> {
     let s = cx.string("hi");
     if let Err(e) = s.downcast::<JsNumber, _>(&mut cx) {
-        Ok(cx.string(format!("{}", e)))
+        Ok(cx.string(format!("{e}")))
     } else {
         panic!()
     }

test/napi/src/js/threads.rs

@@ -195,7 +195,7 @@ pub fn channel_join(mut cx: FunctionContext) -> JsResult<JsUndefined> {
             .unwrap();
 
         // Process the message
-        let response = format!("Received: {}", message);
+        let response = format!("Received: {message}");
 
         // Call back to JavaScript with the response
         channel.send(move |mut cx| {