module Sequel::Plugins::ValidationClassMethods::ClassMethods

end
validates_length_of :password, :minimum => 8
validates_length_of :name, :minimum => 6
class MyClass < Sequel::Model
is equivalent to:

end
end
length_of :password, :minimum => 8
length_of :name, :minimum => 6
validates do
class MyClass < Sequel::Model

shorthand definitions. For example:
Defines validations by converting a longhand block into a series of

def validates(&block)
  Generator.new(self, &block)
end