module Interface::Abstract

Public Class Methods

extended(interface) click to toggle source
# File lib/interface.rb, line 6
def self.extended(interface)
  interface.class_eval do
    instance_methods(false).each do |method|
      define_method(method) do |*args, &block|
        methods = [:super, :method_missing]
        begin
          send(methods.shift, *args, &block)
        rescue NoMethodError
          if methods.empty?
            raise NotImplementedError.new("#{self.class} needs to implement '#{method}' for interface #{interface}")
          else
            args.unshift(method.to_sym)
            retry
          end
        end
      end
    end
  end
end