add_on_empty(attributes, options = {}) Instance Public methods Will add an error

validates!(*attributes) Instance Public methods This method is used to define

define_attribute_method(attr_name) Instance Public methods Declares an attribute

validates_confirmation_of(*attr_names) Instance Public methods Encapsulates

as_json(options=nil) Instance Public methods Returns a

validates_numericality_of(*attr_names) Instance Public methods Validates whether

kind() Instance Public methods Returns the kind for this validator.

lookup_ancestors() Instance Public methods When localizing a string, it goes

generate_message(attribute, type = :invalid, options = {}) Instance Public methods Translates

attribute_alias(name) Instance Public methods Returns the original name for