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

src/parser/items/functions.rs

@@ -2,17 +2,17 @@
  * Function declaration parsing
  */
 
-use crate::parser::{NyashParser, ParseError};
-use crate::parser::common::ParserUtils;
-use crate::tokenizer::TokenType;
 use crate::ast::{ASTNode, Span};
 use crate::must_advance;
+use crate::parser::common::ParserUtils;
+use crate::parser::{NyashParser, ParseError};
+use crate::tokenizer::TokenType;
 
 impl NyashParser {
     /// function宣言をパース: function name(params) { body }
     pub fn parse_function_declaration(&mut self) -> Result<ASTNode, ParseError> {
         self.consume(TokenType::FUNCTION)?;
-        
+
         // 関数名を取得
         let name = if let TokenType::IDENTIFIER(name) = &self.current_token().token_type {
             let name = name.clone();
@@ -26,18 +26,18 @@ impl NyashParser {
                 line,
             });
         };
-        
+
         // パラメータリストをパース
         self.consume(TokenType::LPAREN)?;
         let mut params = Vec::new();
-        
+
         while !self.match_token(&TokenType::RPAREN) && !self.is_at_end() {
             must_advance!(self, _unused, "function declaration parameter parsing");
-            
+
             if let TokenType::IDENTIFIER(param) = &self.current_token().token_type {
                 params.push(param.clone());
                 self.advance();
-                
+
                 if self.match_token(&TokenType::COMMA) {
                     self.advance();
                 }
@@ -50,13 +50,13 @@ impl NyashParser {
                 });
             }
         }
-        
+
         self.consume(TokenType::RPAREN)?;
-        
+
         // 関数本体をパース
         self.consume(TokenType::LBRACE)?;
         self.skip_newlines();
-        
+
         let mut body = Vec::new();
         while !self.match_token(&TokenType::RBRACE) && !self.is_at_end() {
             self.skip_newlines();
@@ -64,16 +64,16 @@ impl NyashParser {
                 body.push(self.parse_statement()?);
             }
         }
-        
+
         self.consume(TokenType::RBRACE)?;
-        
+
         Ok(ASTNode::FunctionDeclaration {
             name,
             params,
             body,
-            is_static: false,  // 通常の関数は静的でない
+            is_static: false,   // 通常の関数は静的でない
             is_override: false, // デフォルトは非オーバーライド
             span: Span::unknown(),
         })
     }
-}
+}