Deleting QObjects is usually safe (i.e. in normal practice; there might be pathological cases I am not aware of atm), if you follow two basic rules: Never delete an object in a slot or method that is called directly or indirectly by a (synchronous, connection type “direct”) signal from the object to be deleted. E.g. … Read more
Slots are linked to S4 objects. A slot can be seen as a part, element or a “property” of an object. Say you have a car object, then you can have the slots “price”, “number of doors”, “type of engine”, “mileage”. Internally, that is represented a list. An example : setClass(“Car”,representation=representation( price = “numeric”, numberDoors=”numeric”, … Read more
Updated answer for Roxygen2 5.0.1, current as of 6.0.1 For S4, the best practice now is documenting using the @slot tag: #’ The title for my S4 class that extends \code{“character”} class. #’ #’ Some details about this class and my plans for it in the body. #’ #’ @slot myslot1 A logical keeping track … Read more