Refactor attributes to use each_with_object

lib/mail_form/delivery.rb

@@ -36,10 +36,10 @@ module ClassMethods
       # * :validate - A hook to validates_*_of. When true is given, validates the
       #       presence of the attribute. When a regexp, validates format. When array,
       #       validates the inclusion of the attribute in the array.
-      # 
+      #
       #       Whenever :validate is given, the presence is automatically checked. Give
       #       :allow_blank => true to override.
-      # 
+      #
       #       Finally, when :validate is a symbol, the method given as symbol will be
       #       called. Then you can add validations as you do in ActiveRecord (errors.add).
       #
@@ -148,4 +148,4 @@ def deliver!
       MailForm::Notifier.contact(self).deliver
     end
   end
-end
+end

lib/mail_form/shim.rb

@@ -32,9 +32,8 @@ def initialize(params={})
     # Returns a hash of attributes, according to the attributes existent in
     # self.class.mail_attributes.
     def attributes
-      self.class.mail_attributes.inject({}) do |hash, attr|
+      self.class.mail_attributes.each_with_object({}) do |attr, hash|
         hash[attr.to_s] = send(attr)
-        hash
       end
     end
 
@@ -62,4 +61,4 @@ def deliver
     end
     alias :save :deliver
   end
-end
+end