I mostly agree with your comments on anonymous functions.
However, I think the main problem is cryptic-ness, rather than succinct-ness.
The backslash is a relatively universal symbol within programming
languages with C-like (ALGOL-like?) syntax.
Where it denotes escape sequences within strings.
Using the leading character for escape sequences, to define functions,
is like using integers to define floating point numbers:
my.integer <- as.integer (2) * pi
Arguably, the motive is more to be ultra-succinct than cryptic.
But either way, we get syntax which is difficult to read, from a
mathematical and statistical perspective.
On Tue, Dec 8, 2020 at 6:04 AM Therneau, Terry M., Ph.D. via R-devel
<r-devel@r-project.org> wrote:
>
> “The shorthand form \(x) x + 1 is parsed as function(x) x + 1. It may be
> helpful in making
> code containing simple function expressions more readable.”
>
> Color me unimpressed.
> Over the decades I've seen several "who can write the shortest code" threads:
> in Fortran,
> in C, in Splus, ... The same old idea that "short" is a synonym for either
> elegant,
> readable, or efficient is now being recylced in the tidyverse. The truth is
> that "short"
> is actually an antonym for all of these things, at least for anyone else
> reading the code;
> or for the original coder 30-60 minutes after the "clever" lines were
> written. Minimal
> use of the spacebar and/or the return key isn't usually held up as a goal,
> but creeps into
> many practiioner's code as well.
>
> People are excited by replacing "function(" with "\("? Really? Are people
> typing code
> with their thumbs?
> I am ambivalent about pipes: I think it is a great concept, but too many of
> my colleagues
> think that using pipes = no need for any comments.
>
> As time goes on, I find my goal is to make my code less compact and more
> readable. Every
> bug fix or new feature in the survival package now adds more lines of
> comments or other
> documentation than lines of code. If I have to puzzle out what a line does,
> what about
> the poor sod who inherits the maintainance?
>
>
> --
> Terry M Therneau, PhD
> Department of Health Science Research
> Mayo Clinic
> thern...@mayo.edu
>
> "TERR-ree THUR-noh"
>
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