From d57654ce46fe1ef66a50c4333c1d1249b59d3cc6 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 6b53d5b3..81fa3ffc 100644
--- a/lib/lrama/grammar.rb
+++ b/lib/lrama/grammar.rb
@@ -663,8 +663,8 @@ 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|