class Nenv::Environment

def _create_env_writer(klass, meth, &block)
  env_name = nil
  dumper = nil
  klass.send(:define_method, meth) do |raw_value|
    env_name ||= _namespaced_sanitize(meth)
    dumper ||= Dumper.setup(&block)
    ENV[env_name] = dumper.(raw_value)
  end
end