[Rd] New pipe operator

[Gabor Grothendieck]

On Mon, Dec 7, 2020 at 2:02 PM Kevin Ushey <kevinushey using gmail.com> wrote:
>
> IMHO the use of anonymous functions is a very clean solution to the
> placeholder problem, and the shorthand lambda syntax makes it much
> more ergonomic to use. Pipe implementations that crawl the RHS for
> usages of `.` are going to be more expensive than the alternatives. It

You wouldn't have to crawl the expression.  This does it at the syntax level.

  e <- quote( { gsub("x", "y", .) } )
  c(e[[1]], quote(. <- LHS), e[-1])