lib/refinements/hashes.rb in refinements-3.0.0 vs lib/refinements/hashes.rb in refinements-3.1.0

@@ -15,9 +15,28 @@
       def compact!
         puts "[DEPRECATION]: #compact! is deprecated and is included, by default, in Ruby 2.4."
         reject! { |_, value| value.nil? }
       end
 
+      def symbolize_keys
+        dup.symbolize_keys!
+      end
+
+      def symbolize_keys!
+        keys.each { |key| self[key.to_sym] = delete(key) }
+        self
+      end
+
+      def slice *keys
+        keys.each.with_object({}) do |key, sliced_hash|
+          sliced_hash[key] = self[key] if key?(key)
+        end
+      end
+
+      def slice! *keys
+        replace slice(*keys)
+      end
+
       def deep_merge other_hash
         dup.deep_merge! other_hash
       end
 
       def deep_merge! other_hash