wrap (ActiveSupport::CoreExtensions::Array::Wrapper)

    # File lib/active_support/core_ext/array/wrapper.rb, line 7
            def wrap(object)
              case object
              when nil
                []
              when self
                object
              else
                if object.respond_to?(:to_ary)
                  object.to_ary
                else
                  [object]
                end
              end
            end