Upstream duckdb patches for external pointers and `BEGIN_/END_CPP11`

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Assessment

Difficulty
4/5
Estimated time
3-5 days
Newbie friendliness
25/100
Issue type
Feature
Clarity
Needs clarification
Activity status
Stale
Tech stack
cpp, r
Domain
tooling

Research direction

Start by reviewing the three linked duckdb-r commits, especially the changes for R_MakeExternalPtr() and the BEGIN_CPP11/END_CPP11 macros. Compare those changes with the corresponding cpp11 implementation and determine the scope needed to upstream the external-pointer and non-SEXP return-value support, including the resolution for #308.

Written by the indexing model from the issue text.

Description

Happy to provide more motivation if and when an implementation can be attempted realistically.

Dominant language
C++
Stars
224
Forks
52
No merged PRs in 30d

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