Add #except under Ruby 3

Ruby 3 adds the Hash#except method, which should return the correct
Hashie object instance when called on a Mash or object using the
Hashie::Extensions::IndifferentAccess mixin.

2 files changed, 14 insertions, 0 deletions

diff --git a/lib/hashie/extensions/indifferent_access.rb b/lib/hashie/extensions/indifferent_access.rb
index d6b9da3..c2c7888 100644
--- a/lib/hashie/extensions/indifferent_access.rb
+++ b/lib/hashie/extensions/indifferent_access.rb
@@ -162,6 +162,13 @@ module Hashie
         end
       end
 
+      with_minimum_ruby('3.0.0') do
+        def except(*keys)
+          string_keys = keys.map { |key| convert_key(key) }
+          super(*string_keys)
+        end
+      end
+
       protected
 
       def hash_lacking_indifference?(other)
diff --git a/lib/hashie/mash.rb b/lib/hashie/mash.rb
index f72633d..d5cb308 100644
--- a/lib/hashie/mash.rb
+++ b/lib/hashie/mash.rb
@@ -351,6 +351,13 @@ module Hashie
       end
     end
 
+    with_minimum_ruby('3.0.0') do
+      def except(*keys)
+        string_keys = keys.map { |key| convert_key(key) }
+        self.class.new(super(*string_keys))
+      end
+    end
+
     protected
 
     def method_name_and_suffix(method_name)