Mauricio "Pachá" Vargas Sepúlveda

copy complex numbers/vectors/matrices from R to C++ and viceversa

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Hi @DavisVaughan I hope you are doing well. Happy holidays ! Here is a PR to copy complex numbers from R to C++ and viceversa. I added multiple tests for...

@krlmlr noticed this: https://github.com/r-lib/cpp11/issues/312 I implemented the nullable external pointer in this PR.

Improving string vector performance for push_back and subscript assignment (fix #406)

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I added refactors and test that translate into a push_back that is closer to a 1:1 speed ratio than 1:4 compared to direct assignment. ``` # A tibble: 14 ×...

ordered and unordered C++ maps are converted to R lists

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~I did not want to clash with doubles.hpp and function.hpp, so probably there is a clever way to template my change~ I implemented a naive but effective template in [70c68df](https://github.com/r-lib/cpp11/pull/437/commits/70c68dfd22382dfb377e75beb2e79c43db1f2cdd)

https://github.com/r-lib/cpp11/pull/440 implements this to avoid the need to document the C++ functions by separate.

In #419, @nunotexbsd discovered that the Rcpp sum function fails in the cpp11test package. In any case, cpp11 can be installed from github without problem, it is just the R...

I added that here: https://github.com/r-lib/cpp11/pull/437