[Rd] _R_CHECK_LENGTH_1_LOGIC2_ setting and Rstudio ..
Martin Maechler
m@ech|er @end|ng |rom @t@t@m@th@ethz@ch
Fri Nov 15 17:59:33 CET 2019
>>>>> Martin Maechler
>>>>> on Fri, 15 Nov 2019 17:31:15 +0100 writes:
> as ((strongly recommended by me for package developers !))
> _R_CHECK_LENGTH_1_CONDITION_=true
> _R_CHECK_LENGTH_1_LOGIC2_=verbose
Apropos, for many months now, when very occasionally using
Rstudio (notably for teaching to beginners),
I've needed to use a wrapper shell script *unsetting* these,
because otherwise I've got "a bomb" from trying to run Rstudio,
as it internally uses code that fails when
_R_CHECK_LENGTH_1_LOGIC2_
is activated, see the screen shot (from the very latest
Rstudio 1.2.5019),
at least in my case where I use a non-trival 'options(repos = ..)'
in my startup.
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