Maëlle Salmon
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masalmon.eu
Maëlle Salmon
@masalmon.eu
https://masalmon.eu/
🧰 #Rstats / research software engineer.
🗒️ Blogger.
📦 Software review editor for @ropensci.
💜 #RLadies.
📈 PhD in statistics.
🍋 Nancy, France (let's say this emoji is a bergamot orange).
Thanks for considering and absolutely no pressure
November 21, 2025 at 10:37 AM
Right but aren't these custom rules an user could want to implement just for their own use?
November 21, 2025 at 10:26 AM
Very selfish idea of examples for custom rules 😇

- expect_equal(nrow(...)), expect_equal(ncol(...)) to expect_shape()
- expect_true(all(...)), expect_false(all(...)) to expect_all_true() and expect_all_false()

tidyverse.org/blog/2025/11...
testthat 3.3.0
testthat 3.3.0 brings improved expectations with better error messages, new expectations for common testing patterns, and lifecycle changes including the removal of `local_mock()` and `with_mock()`. I...
tidyverse.org
November 21, 2025 at 9:39 AM
Thank you!
October 23, 2025 at 2:12 PM
Reposted by Maëlle Salmon
That was a recent R dev days initiative, see this recent entry from the NEWS changes feed.
October 23, 2025 at 1:34 PM
Writing R Extensions a du chemin à faire :-)
October 23, 2025 at 9:32 AM