require 'facet/kernel/is' class Module # An alias for #include. # # class X # is Enumerable # end # alias_method :is, :include # Is a given class or module an ancestor of # this class or module? # # class X ; end # class Y < X ; end # # Y.is?(X) #=> true # def is?( base ) ancestors.slice(1..-1).include?( base ) end end # _____ _ # |_ _|__ ___| |_ # | |/ _ \/ __| __| # | | __/\__ \ |_ # |_|\___||___/\__| # # TODO