Message-ID: <51D71D94.10909@gmail.com>
Date: 2013-07-05T19:25:08Z
From: Duncan Murdoch
Subject: should the text for RIGHT_ASSIGN be -> in getParseData()?
In-Reply-To: <CANVKczO+J5OR3vGCRE0cuT7KfA9y7zQdq_iRjJYkqs=1+3hp4g@mail.gmail.com>
On 05/07/2013 12:29 PM, Barry Rowlingson wrote:
> On Fri, Jul 5, 2013 at 12:57 PM, Duncan Murdoch
> <murdoch.duncan at gmail.com> wrote:
>
> > R itself doesn't make use of the text column, it's for display of code
> > by highlighters etc. So if anyone does assume text is a function name,
> > it's their bug, not ours. In fact, the bug is already there, because
> > there is actually one other example which was being parsed properly,
> > "**" is translated to "^". There's no `**` function, but 2**3 works.
>
> Is there any reason right-assign with "->" still exists? How much
> code on CRAN uses it, and how trivially could it be excised?
Dozens of packages on CRAN use it: abc, abd, adabag, AdaptFitOS, bgeva, ...
> Can we
> also have 'up assign' and "down assign" so I can do:
>
> > 3
> > x -^
> > x -v
> > 4
>
> - they make just as much sense.
I'll work on those; they sound easier than excising right-assign.
Duncan
>
> Okay, lets see all the edge cases.....
>
> Barry