Please forgive my #rstats ignorance, but where can I go to learn about what double-bang `!!` and triple-bang `!!!` notation mean in R? Is it an {rlang} thing? A tidyeval thing? A something-else thing? And where it is explained?
Example: a bit ways down this section, there's code that defines a list called `cards`, then later references that list as `!!!cards`.
https://rstudio.github.io/bslib/articles/dashboards/index.html#hello-dashboards
I'm not sure exactly what's going on there.
@capbri @kellybodwin @jennybryan This is quotation to control when expressions (?) are evaluated.
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@DataAngler @kellybodwin @jennybryan @etiennebacher Thanks so much everyone!(!!!)
