module Rails::Initializable::ClassMethods

def initializer(name, opts = {}, &blk)
  raise ArgumentError, "A block must be passed when defining an initializer" unless blk
  opts[:after] ||= initializers.last.name unless initializers.empty? || initializers.find { |i| i.name == opts[:before] }
  initializers << Initializer.new(name, nil, opts, &blk)
end