refactor: fix typo & use private :symbol

lib/enum/enum.rb

@@ -28,20 +28,20 @@ def delete_all
         super
       end
 
-      private
-
       def define_enum_methods
         return if @enum_accessors.blank?
 
         @records&.each do |record|
-          enum_vallue = @enum_accessors.map { |name| record.attributes[name] }.join("_").downcase.gsub(/\W+/, '_').gsub(/^_|_$/, '')
-          method_name = "#{enum_vallue}?"
+          enum_value = @enum_accessors.map { |name| record.attributes[name] }.join("_").downcase.gsub(/\W+/, '_').gsub(/^_|_$/, '')
+          method_name = "#{enum_value}?"
           define_method(method_name) do
             self.id == record.id
           end
         end
       end
 
+      private :define_enum_methods
+
       def set_constant(record)
         constant = constant_for(record, @enum_accessors)
         return nil if constant.blank?
@@ -53,6 +53,8 @@ def set_constant(record)
         end
       end
 
+      private :set_constant
+
       def constant_for(record, field_names)
         field_value = field_names.map { |name| record.attributes[name] }.join("_")
         if constant = !field_value.nil? && field_value.dup
@@ -62,6 +64,8 @@ def constant_for(record, field_names)
           constant
         end
       end
+
+      private :constant_for
     end
   end
 end