[Rd] Depends: R (>= 4.1) for packages that use |> and \(...)

[Hadley Wickham]

Unfortunately your test generates a false positive for httr2 (
https://cran.r-project.org/web/checks/check_results_httr2.html) and other
tidyverse packages where we use the base pipe in examples, but carefully
disable them for older versions of R.

Hadley

On Thu, Feb 6, 2025 at 9:18 AM Ivan Krylov via R-devel <
r-devel using r-project.org> wrote:

> On Thu, 23 Jan 2025 11:16:48 +0100
> Kurt Hornik <Kurt.Hornik using wu.ac.at> wrote:
>
> > My guess would be that the new syntax is particularly prominently used
> > in examples: if so, it would be good to also have coverage for this.
>
> In today's CRAN snapshot, there turned out to be 198 packages that use
> 4.1 syntax in examples but not in code, 5 packages that use 4.2 syntax
> in examples but 4.1 in the code, and 3 packages that use 4.2 syntax in
> examples but not the code. This may be slightly imprecise because I
> don't have some of the Rd macro packages installed and run
> Rd2ex(stages=NULL) on manually-parsed Rd files without installing the
> packages.
>
> Attaching a patch that checks the syntax used in Rd examples at the
> same time as the main R code, not necessarily the best way to perform
> this check. Is it perhaps worth separating R/* checks from man/*.Rd
> checks? Should R CMD check try to reuse the Rd database from the
> installed copy of the package?
>
> --
> Best regards,
> Ivan
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>


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