Message-ID: <CALEXWq13odcpMsW_e+7e_Vvonx0pCmZHM=t6XNKRubhP4bKxGw@mail.gmail.com>
Date: 2021-01-12T19:38:38Z
From: Iñaki Ucar
Subject: [External] brief update on the pipe operator in R-devel
In-Reply-To: <alpine.DEB.2.21.2101121317310.3211@luke-Latitude-7480>
On Tue, 12 Jan 2021 at 20:23, <luke-tierney at uiowa.edu> wrote:
>
> After some discussions we've settled on a syntax of the form
>
> mtcars |> subset(cyl == 4) |> d => lm(mpg ~ disp, data = d)
>
> to handle cases where the pipe lhs needs to be passed to an argument
> other than the first of the function called on the rhs. This seems a
> to be a reasonable balance between making these non-standard cases
> easy to see but still easy to write. This is now committed to R-devel.
Interesting. Is the use of "d =>" restricted to pipelines? In other
words, I think that it shouldn't be equivalent to "function(d)", i.e.,
that this:
x <- d => lm(mpg ~ disp, data = d)
shouldn't work.
--
I?aki ?car