Or modifying the C code to conform with the usual functional copy-on-write paradigm used throughout most of R.
On November 12, 2022 12:04:57 PM PST, Giovanni Petris <gpet...@uark.edu> wrote: >Hello everybody, > >Does anybody know how to obtain a deep copy of a list? > >The context is the following. I am passing a list to a function which, in >turn, passes it to compiled C code via .Call. The problem is that the C code >modifies elements of the list so that, after the R function returns, I end up >with a modified version of the list argument. I believe passing to the >function a deep copy of the list argument would solve my problem. > >Thank you in advance for the help! > >Giovanni > >-- >Giovanni Petris >Professor and Director of Statistics >Department of Mathematical Sciences >University of Arkansas >Fayetteville, AR 72701 >USA > > > > [[alternative HTML version deleted]] > >______________________________________________ >R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see >https://stat.ethz.ch/mailman/listinfo/r-help >PLEASE do read the posting guide http://www.R-project.org/posting-guide.html >and provide commented, minimal, self-contained, reproducible code. -- Sent from my phone. Please excuse my brevity. ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.