[Rd] base R pipe documentation

[peter dalgaard]

OK, zapped the \note for 4-1-branch (for now). This close to release, changes have to be very small and safe to be allowed in, so anything more than that will have to wait for a later version.

- Peter

> On 17 May 2021, at 19:20 , Ben Bolker <bbolker using gmail.com> wrote:
> 
>  As of right now, as far as I can tell, the documentation for the new native |> pipe still says that it's experimental.
> 
> https://github.com/wch/r-source/blob/trunk/src/library/base/man/pipeOp.Rd#L45
> 
>     *Pipe support is experimental and may change prior to release.*
> 
> Also still in the 4-1 branch:
> 
> https://github.com/wch/r-source/blob/R-4-1-branch/src/library/base/man/pipeOp.Rd#L45
> 
>  (The corresponding comment in the NEWS file has been fixed in the last 24 hours, but hasn't propagated to the online/HTML version on the developer page yet ...)
> 
>  As a "wish list" item, if there are any particularly salient/important  differences between the |> pipe and the %>% magrittr pipe, it would be great to have those documented (I know that documenting the difference between a base-R operator and the one that's implemented in a non-Recommended package is a little weird, but it would be helpful in this case ...)  I know I could go back to the mailing list discussion at https://hypatia.math.ethz.ch/pipermail/r-devel/2020-December/080173.html and try to figure it out for myself ...
> 
>  cheers
>   Ben Bolker
> 
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-- 
Peter Dalgaard, Professor,
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