On Mon, Dec 7, 2020 at 2:02 PM Kevin Ushey <kevinus...@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])
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