Fix fibonacci_memoization.rb file

kelvins · kelvins · commit 22473ffeb168 · 2023-10-14T16:19:46.000-03:00
diff --git a/src/ruby/fibonacci_memoization.rb b/src/ruby/fibonacci_memoization.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 def fibonacci(n, memo = {})
   if n <= 1
     return 1
