blank.rb Ruby on Rails 5.1.2 blank.rb activesupport/lib/active_support/core_ext/object/blank.rb on GitHub Last modified: 2017-07-12 08:38:53 -0700 Required Files active_support/core_ext/regexp Namespace CLASS Array CLASS FalseClass CLASS Hash CLASS NilClass CLASS Numeric CLASS Object CLASS String CLASS Time CLASS TrueClass