From 0e4fa0af3a8f6d84d35989f9a5c0fe9e4ef66332 Mon Sep 17 00:00:00 2001
From: Violet Graves <violet.graves630@gmail.com>
Date: Wed, 9 Jul 2025 12:06:09 -0400
Subject: [PATCH 1/2] remove openstruct in favor of Data object

warning: /.rbenv/versions/3.4.1/lib/ruby/3.4.0/ostruct.rb was loaded from the standard library, but will no longer be part of the default gems starting from Ruby 3.5.0.
---
 lib/luhn/civic_number.rb | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/lib/luhn/civic_number.rb b/lib/luhn/civic_number.rb
index e9a08c1..bbabb19 100644
--- a/lib/luhn/civic_number.rb
+++ b/lib/luhn/civic_number.rb
@@ -1,5 +1,4 @@
 # encoding: UTF-8
-require 'ostruct'
 module Luhn
   class CivicNumber
     attr_reader :value
@@ -33,11 +32,11 @@ def male?
     end
 
     def birth_date
-      OpenStruct.new({
-        :year  => value[0...2].to_i,
-        :month => value[2...4].to_i,
-        :day   => value[4...6].to_i
-      })
+      Data.define(:year, :month, :day).new(
+        value[0...2].to_i,
+        value[2...4].to_i,
+        value[4...6].to_i
+      )
     end
 
     def formatted

From cfcb00c2cbede205d24ceacc7f570b3d61bda619 Mon Sep 17 00:00:00 2001
From: Violet Graves <violet.graves630@gmail.com>
Date: Wed, 9 Jul 2025 12:24:11 -0400
Subject: [PATCH 2/2] require ruby 3.2+ for Data object access

---
 luhn.gemspec | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/luhn.gemspec b/luhn.gemspec
index 1b10181..61a5f52 100644
--- a/luhn.gemspec
+++ b/luhn.gemspec
@@ -12,5 +12,7 @@ Gem::Specification.new do |s|
   s.platform     = Gem::Platform::RUBY
   s.files        = Dir.glob("{lib,spec}/**/*") + %w[LICENSE README.rdoc]
 
+  s.required_ruby_version = '>= 3.2'
+
   s.add_development_dependency 'minitest', '~> 2.6.0'
-end
\ No newline at end of file
+end