Andreas
Von: Gabriel Becker
Datum: Dienstag, 6. Oktober 2020 um 02:02
An: Blätte
Cc: Peter Dalgaard via R-devel
Betreff: Re: [Rd] S4 - inheritance changed by order of setClassUnion and setAs()
Andreas,
As far as I can tell (/conjecture), this is because the list of classes a
particular class
Andreas,
As far as I can tell (/conjecture), this is because the list of classes a
particular class inherits from directly is appended to as needed, and so
the order that a class extends others isd refined by the order that those
connections are defined.
We can see this with two setClassUnion cal
Dear colleagues,
there is a behaviour with S4 (virtual) classes that I find very hard to
understand: Depending on the position
of setAs(), the tree of inheritance changes.
This is my baseline example that defines the classes "grandma", "mother",
"daughter" and a virtual
class "mr_x". For a new