# Chuck this in config/initializers for view-first validations
ActionView::Base.default_form_builder.class_eval do
  def error(field)
    case err = object.errors.on(field)
    when String: err
    when Array: err.first
    end
  end
  def errors(field)
    case err = object.errors.on(field)
    when String: [err]
    when Array: err
    when Nil: []
    end
  end
end