[Rd] Reference Classes copy(shallow=FALSE) unexpected behavior.

Hadley Wickham hadley at rice.edu
Wed May 11 14:00:42 CEST 2011

2011/5/10 Manuel Castejón Limas <manuel.castejon at unileon.es>:
> Dear all,
> I've just discovered the 'Reference Classes'.
> In a previous attempt ---a year ago--- to re-implement in a Object Oriented
> fashion the AMORE package using S4 classes I strongly felt the need of such
> capability. It's great to have the Reference Classes now available. Along
> with the discovery of the Rcpp package, this new programming paradigm has
> boosted my interest in rewriting that package.
> Nevertheless, I have found a surprising behavior in the $copy(shallow=FALSE)
> method. Let's have a look at the results which I believe are
> self-explanatories. The ".Data" field is a list which contains objects from
> the "Con" class  ---connections for what is worth---.

What sort of class is the Con class? S4 or reference?


Assistant Professor / Dobelman Family Junior Chair
Department of Statistics / Rice University

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