[Rd] copy an external pointer on assignment

Kjell Konis kjell.konis at epfl.ch
Mon Feb 23 18:37:24 CET 2009

Is there a mechanism in R for copying the business end of an external  
pointer on assignment?  For instance, if x is an external pointer and  
I enter

   > y <- x

I would like to make a copy of the structure that x refers to and  
assign its address to y.


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