From 56a16e2fbc8ad77ed29f83b100e256f5828137a7 Mon Sep 17 00:00:00 2001
From: Krzysztof Rybka <krzysztof.rybka@gmail.com>
Date: Thu, 14 Sep 2023 21:14:08 +0100
Subject: [PATCH] Iterate over symbols to get the number to avoid array
 creation

---
 lib/lrama/grammar.rb | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/lib/lrama/grammar.rb b/lib/lrama/grammar.rb
index 81df3996..a915c32f 100644
--- a/lib/lrama/grammar.rb
+++ b/lib/lrama/grammar.rb
@@ -482,8 +482,8 @@ def fill_symbol_number
       nterm_token_id = 0
       used_numbers = {}
 
-      @symbols.map(&:number).each do |n|
-        used_numbers[n] = true
+      @symbols.each do |symbol|
+        used_numbers[symbol.number] = true
       end
 
       (@symbols.select(&:term?) + @symbols.select(&:nterm?)).each do |sym|