r-lib/cpp11

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cpp11 helps you to interact with R objects using C++ code.

Stars: 224
Forks: 52
Open beginner issues: 0
Indexed issues: 51

Dominant language: C++
License: No license data
Last GitHub push: May 7, 2026
Latest indexed: Sep 21, 2026
Contributing guide: Contributing guide
Code of conduct: Code of conduct
Beginner labels: No beginner labels indexed
PR merge metrics: No merged PRs in 30d

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51 issues indexed so far

Dimension error with `r_vector` Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

r-lib/cpp11#462 · 1 comment · Opened Jul 22, 2025
`as_sexp_strings()` could use a single `unwind_protect()` around the loop Open

Difficulty 3/5 1-2 days Newbie friendliness 48/100

r-lib/cpp11#460 · Opened May 14, 2025
Making things a little bit faster Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

r-lib/cpp11#459 · Opened May 10, 2025
cpp_source fails to compile indented void-returning function Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

r-lib/cpp11#455 · 1 comment · Opened May 6, 2025
Values added to a vector with `push_back` cannot be used immediately Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

r-lib/cpp11#453 · 1 comment · Opened Apr 26, 2025
Global symbol visibility / deriving from a C++ class defined in a different shared library Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

r-lib/cpp11#452 · 1 comment · Opened Apr 18, 2025
add roxygen support on cpp side Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

r-lib/cpp11#441 · Opened Jan 4, 2025
ordered and unordered C++ maps are converted to R lists Open

Difficulty 3/5 1-2 days Newbie friendliness 15/100

r-lib/cpp11#438 · Opened Jan 2, 2025
checking for named_arg Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

r-lib/cpp11#435 · Opened Jan 1, 2025
Using vmaxget/vmax set for as_cpp Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

r-lib/cpp11#432 · Opened Jan 1, 2025
simplify three false conditions for r_vector string Open

Difficulty 2/5 1-3 hours Newbie friendliness 42/100

r-lib/cpp11#431 · Opened Jan 1, 2025
Complex numbers from R to C++ and viceversa Open

Difficulty 3/5 1-2 days Newbie friendliness 15/100

r-lib/cpp11#429 · Opened Dec 29, 2024
Add tests for matrix objects Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

r-lib/cpp11#425 · Opened Dec 17, 2024
`safe[]` and rchk Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

r-lib/cpp11#424 · Opened Dec 7, 2024
tests fail Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

r-lib/cpp11#419 · 11 comments · Opened Dec 6, 2024
Remove `CPP11_UNWIND` define Open

Difficulty 2/5 1-3 hours Newbie friendliness 42/100

r-lib/cpp11#414 · 1 reaction · Opened Dec 3, 2024
Remove `HAS_ALTREP` and `altrep.hpp` Open

Difficulty 3/5 1-2 days Newbie friendliness 42/100

r-lib/cpp11#413 · 1 reaction · Opened Dec 3, 2024
Remove `HAS_UNWIND_PROTECT` define Open

Difficulty 2/5 1-3 hours Newbie friendliness 55/100

r-lib/cpp11#412 · 1 reaction · Opened Dec 3, 2024
Improving string vector performance for push_back and subscript assignment Open

Difficulty 4/5 3-5 days Newbie friendliness 45/100

r-lib/cpp11#406 · 1 reaction · Opened Oct 30, 2024
Upgrade to testthat 3e Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

r-lib/cpp11#402 · 2 comments · 2 reactions · Opened Oct 15, 2024
Upstream duckdb patches for external pointers and `BEGIN_/END_CPP11` Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

r-lib/cpp11#401 · 1 comment · 2 reactions · Opened Sep 24, 2024
Update fmt in the next release Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

r-lib/cpp11#400 · Opened Sep 5, 2024
Should the default `SEXP` in `r_vector` be a typed vector of length 0 rather than `R_NilValue`? Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

r-lib/cpp11#392 · Opened Aug 24, 2024
`BEGIN_CPP11 + END_CPP11` -> using `Rf_errorcall(call, ...)` Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

r-lib/cpp11#354 · 1 comment · Opened Apr 19, 2024
Add `complexes` and `r_complex` support Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

r-lib/cpp11#336 · 9 comments · 1 reaction · Opened Aug 28, 2023
Examples Open

Difficulty 4/5 3-5 days Newbie friendliness 32/100

r-lib/cpp11#324 · 1 comment · 1 reaction · Opened Jul 18, 2023
Assigning an attribute to an empty vector in c++ produces an error Open

Difficulty 3/5 1-2 days Newbie friendliness 38/100

r-lib/cpp11#315 · 3 comments · 1 reaction · Opened May 13, 2023
Support nullable `external_ptr<>` Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

r-lib/cpp11#312 · 1 comment · Opened Apr 2, 2023
External pointers and attributes Open

Difficulty 3/5 1-2 days Newbie friendliness 50/100

r-lib/cpp11#308 · 1 comment · Opened Mar 2, 2023
`as_integers` and `as_doubles` should understand logical inputs Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

r-lib/cpp11#297 · 1 comment · Opened Nov 2, 2022
external_ptr issues Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

r-lib/cpp11#296 · 2 comments · 2 reactions · Opened Oct 25, 2022
A few additions to external_pointer Open

Difficulty 2/5 1-3 hours Newbie friendliness 38/100

r-lib/cpp11#287 · Opened Oct 1, 2022
Catch error from R function Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

r-lib/cpp11#277 · Opened Jul 28, 2022
cpp11 `unwind_protect()` + ALTREP conflicts Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

r-lib/cpp11#274 · 4 comments · 1 reaction · Opened Jun 3, 2022
Bug with the matrix class such that attributes cannot be set Open

Difficulty 4/5 3-5 days Newbie friendliness 42/100

r-lib/cpp11#273 · 4 comments · Opened May 26, 2022
Idiomatic way to cast or convert between different r_vector types Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

r-lib/cpp11#264 · Opened Feb 18, 2022
Ambiguous < operation for logical (compiler error) Open

feature

Difficulty 3/5 1-2 days Newbie friendliness 35/100

r-lib/cpp11#263 · 2 comments · Opened Feb 18, 2022
Register function with namespace Open

Difficulty 3/5 1-2 days Newbie friendliness 54/100

r-lib/cpp11#262 · 1 comment · Opened Feb 4, 2022
`cpp_source(file = )` default to active file Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

r-lib/cpp11#258 · Opened Jan 11, 2022
cpp_unvendor() Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

r-lib/cpp11#255 · 2 comments · 1 reaction · Opened Dec 2, 2021
classed errors in `cpp11::stop()` Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

r-lib/cpp11#250 · 1 comment · Opened Nov 12, 2021
`cpp_source()` fails if there are hyphens in the filename Open

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

r-lib/cpp11#248 · Opened Nov 10, 2021
How to set up `CPPFLAGS` with `cpp11::cpp_source` Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

r-lib/cpp11#246 · 3 comments · Opened Oct 27, 2021
Show error if C++ function has default arguments. Open

feature

Difficulty 4/5 3-5 days Newbie friendliness 35/100

r-lib/cpp11#221 · 1 comment · Opened Aug 9, 2021
Should cpp11::stop just throw an exception rather than using unwind_protect? Open

feature

Difficulty 5/5 Over a week Newbie friendliness 25/100

r-lib/cpp11#219 · 6 comments · Opened Aug 6, 2021
How to include custom headers on top of generated cpp11.cpp? Open

documentation

Difficulty 3/5 1-2 days Newbie friendliness 35/100

r-lib/cpp11#216 · 4 comments · Opened Jul 30, 2021
Add a debug string representation accessor to `cpp11::sexp` Open

feature

Difficulty 4/5 3-5 days Newbie friendliness 45/100

r-lib/cpp11#211 · Opened Jul 23, 2021
Include a `nameof<>()` utility Open

feature

Difficulty 5/5 Over a week Newbie friendliness 35/100

r-lib/cpp11#112 · 4 comments · 1 reaction · Opened Sep 28, 2020
as_sexp and as_cpp are not easily extensible Open

documentation feature

Difficulty 5/5 Over a week Newbie friendliness 35/100

r-lib/cpp11#95 · 3 comments · Opened Aug 17, 2020
Missing push_back(SEXP) for some r_vector specializations Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

r-lib/cpp11#89 · 2 comments · Opened Aug 11, 2020

r-lib/cpp11

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