no need to check for nil?

actionpack/lib/action_view/helpers/form_helper.rb

@@ -1015,7 +1015,7 @@ def value_before_type_cast(object)
 
       module ClassMethods
         def value(object, method_name)
-          object.send method_name unless object.nil?
+          object.send method_name if object
         end
 
         def value_before_type_cast(object, method_name)
@@ -1055,7 +1055,7 @@ def radio_button_checked?(value, checked_value)
 
       private
         def add_default_name_and_id_for_value(tag_value, options)
-          unless tag_value.nil?
+          if tag_value
             pretty_tag_value = tag_value.to_s.gsub(/\s/, "_").gsub(/[^-\w]/, "").downcase
             specified_id = options["id"]
             add_default_name_and_id(options)