Add MatchData#named_captures with symbolize_keys option

README.md

@@ -107,6 +107,10 @@ itself, JRuby and Rubinius.
 
 ## Ruby 3.3 backports
 
+#### MatchData
+
+- `named_captures` (with `symbolize_keys` option)
+
 ## Ruby 3.2 backports
 
 #### Class

lib/backports/3.3.0/match_data.rb

@@ -0,0 +1,3 @@
+require 'backports/tools/require_relative_dir'
+
+Backports.require_relative_dir

lib/backports/3.3.0/match_data/named_captures.rb

@@ -0,0 +1,12 @@
+if MatchData.instance_method(:named_captures).arity == 0
+  require 'backports/tools/alias_method_chain'
+
+  class MatchData
+    def named_captures_with_symbolize_option(symbolize_keys: false)
+      captures = named_captures_with_symbolize_option
+      captures.transform_keys!(&:to_sym) if symbolize_keys
+      captures
+    end
+    Backports.alias_method_chain self, :named_captures, :symbolize_option
+  end
+end