From 085cd4e9efed73df69c384afd6c36c4e75424b53 Mon Sep 17 00:00:00 2001
From: ydah <13041216+ydah@users.noreply.github.com>
Date: Sun, 28 Jan 2024 19:00:38 +0900
Subject: [PATCH] Use `def_delegators` in Lrama::States::Item

---
 lib/lrama/states/item.rb | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/lib/lrama/states/item.rb b/lib/lrama/states/item.rb
index 08352772..31b74b9d 100644
--- a/lib/lrama/states/item.rb
+++ b/lib/lrama/states/item.rb
@@ -1,8 +1,14 @@
 # TODO: Validate position is not over rule rhs
 
+require "forwardable"
+
 module Lrama
   class States
     class Item < Struct.new(:rule, :position, keyword_init: true)
+      extend Forwardable
+
+      def_delegators "rule", :lhs, :rhs
+
       # Optimization for States#setup_state
       def hash
         [rule_id, position].hash
@@ -20,14 +26,6 @@ def number_of_rest_symbols
         rhs.count - position
       end
 
-      def lhs
-        rule.lhs
-      end
-
-      def rhs
-        rule.rhs
-      end
-
       def next_sym
         rhs[position]
       end