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imageadi
2010 Nov 24
2
Reference Classes: how to clone/copy instances?
...9;b'.
I know that this is somewhat against the pass-by-reference paradigm, but the
motive behind this is to generalize the 'undo()' functionality described in
the example of 'setRefClass()' to entire objects: I'd like to generate
"images" of my object via a '$imageAdd()" method in order to generate a
change history of the object (images are assigned to a field '.IMAGES' of
class 'environment') that I can "load()" on demand to undo changes to my
object.
Obviously, simply assigning 'b <- a' does not work with respect to...