Class virtual Widget.​parametrized_widget
class virtual ??? parametrized_widget :
object..end
Inherits
method private virtual retrieve_data : 'a -> 'b Lwt.t
This method retrieves the parametrized_widget's data, for example from an SQL database. It is normally called by the parametrized_widget's display method, and can be overridden in order to use another type of storage.
method virtual apply : data:'a -> 'c
