chore(fmt): add legacy stubs and strip trailing whitespace to unblock cargo fmt

src/interpreter/async_methods.rs

@@ -1,12 +1,12 @@
 /*!
  * Async Methods Module
- * 
+ *
  * Extracted from interpreter/box_methods.rs
  * Contains asynchronous Box type method implementations:
- * 
+ *
  * - execute_future_method (FutureBox)
  * - execute_channel_method (ChannelBox)  
- * 
+ *
  * These methods handle asynchronous operations, futures, and
  * communication channels in the Nyash interpreter.
  */
@@ -17,15 +17,19 @@ use crate::channel_box::{ChannelBox, MessageBox};
 
 impl NyashInterpreter {
     /// FutureBoxのメソッド呼び出しを実行
-    /// 
+    ///
     /// 非同期計算の結果を管理するFutureBoxの基本操作を提供します。
-    /// 
+    ///
     /// サポートメソッド:
     /// - get() -> 計算結果を取得 (ブロッキング)
     /// - ready() -> 計算完了状態をチェック
     /// - equals(other) -> 他のFutureBoxと比較
-    pub(super) fn execute_future_method(&mut self, future_box: &FutureBox, method: &str, arguments: &[ASTNode]) 
-        -> Result<Box<dyn NyashBox>, RuntimeError> {
+    pub(super) fn execute_future_method(
+        &mut self,
+        future_box: &FutureBox,
+        method: &str,
+        arguments: &[ASTNode],
+    ) -> Result<Box<dyn NyashBox>, RuntimeError> {
         match method {
             "get" => {
                 if !arguments.is_empty() {
@@ -54,35 +58,42 @@ impl NyashInterpreter {
             }
             _ => Err(RuntimeError::InvalidOperation {
                 message: format!("Unknown method '{}' for FutureBox", method),
-            })
+            }),
         }
     }
 
     /// ChannelBoxのメソッド呼び出しを実行
-    /// 
+    ///
     /// 非同期通信チャンネルを管理するChannelBoxの操作を提供します。
     /// プロセス間通信やイベント駆動プログラミングに使用されます。
-    /// 
+    ///
     /// サポートメソッド:
     /// - sendMessage(content) -> メッセージを送信
     /// - announce(content) -> ブロードキャスト送信  
     /// - toString() -> チャンネル情報を文字列化
     /// - sender() -> 送信者情報を取得
     /// - receiver() -> 受信者情報を取得
-    pub(super) fn execute_channel_method(&mut self, channel_box: &ChannelBox, method: &str, arguments: &[ASTNode]) 
-        -> Result<Box<dyn NyashBox>, RuntimeError> {
+    pub(super) fn execute_channel_method(
+        &mut self,
+        channel_box: &ChannelBox,
+        method: &str,
+        arguments: &[ASTNode],
+    ) -> Result<Box<dyn NyashBox>, RuntimeError> {
         // 引数を評価
         let mut arg_values = Vec::new();
         for arg in arguments {
             arg_values.push(self.execute_expression(arg)?);
         }
-        
+
         // メソッドを実行
         match method {
             "sendMessage" => {
                 if arg_values.len() != 1 {
                     return Err(RuntimeError::InvalidOperation {
-                        message: format!("sendMessage() expects 1 argument, got {}", arg_values.len()),
+                        message: format!(
+                            "sendMessage() expects 1 argument, got {}",
+                            arg_values.len()
+                        ),
                     });
                 }
                 // 簡易実装：メッセージを作成して返す
@@ -97,12 +108,18 @@ impl NyashInterpreter {
                     });
                 }
                 let content = arg_values[0].to_string_box().value;
-                Ok(Box::new(StringBox::new(&format!("Broadcast from {}: {}", channel_box.sender_name, content))))
+                Ok(Box::new(StringBox::new(&format!(
+                    "Broadcast from {}: {}",
+                    channel_box.sender_name, content
+                ))))
             }
             "toString" => {
                 if !arg_values.is_empty() {
                     return Err(RuntimeError::InvalidOperation {
-                        message: format!("toString() expects 0 arguments, got {}", arg_values.len()),
+                        message: format!(
+                            "toString() expects 0 arguments, got {}",
+                            arg_values.len()
+                        ),
                     });
                 }
                 Ok(Box::new(channel_box.to_string_box()))
@@ -118,7 +135,10 @@ impl NyashInterpreter {
             "receiver" => {
                 if !arg_values.is_empty() {
                     return Err(RuntimeError::InvalidOperation {
-                        message: format!("receiver() expects 0 arguments, got {}", arg_values.len()),
+                        message: format!(
+                            "receiver() expects 0 arguments, got {}",
+                            arg_values.len()
+                        ),
                     });
                 }
                 Ok(channel_box.receiver())
@@ -129,4 +149,4 @@ impl NyashInterpreter {
             }
         }
     }
-}
+}