[Rcpp-devel] Rcpp Module: Expecting an external pointer: [type=environment]

Stefan Boehringer s.boehringer at lumc.nl
Tue Mar 11 17:32:27 CET 2025


Dear all,

with a standard Rcpp module I get the error "Expecting an external 
pointer: [type=environment]."from x$.self$finalize()
  which is an internal wrapper around modules from Rcpp.

The underlying C++ class allocates memory through standard STL object 
allocation. The class does perform disk based memory mapping which is 
unmapped in the destructor. I did not succeed in further isolating the 
problem.

Any help appreciated. Thank you in advance.

Best,

     Stefan

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