Ruby on Rails v3.1.1
presence.rb
activemodel/lib/active_model/validations/presence.rb
on GitHub
Last modified: Fri Oct 07 15:33:59 +0000 2011
Required Files
active_support/core_ext/object/blank
Namespace
MODULE
ActiveModel
MODULE
ActiveModel::Validations
MODULE
ActiveModel::Validations::HelperMethods
CLASS
ActiveModel::Validations::PresenceValidator