[Rd] dim(a <- ...) sets invisible flag erronously (PR#587)

maechler@stat.math.ethz.ch maechler@stat.math.ethz.ch
Fri, 30 Jun 2000 20:15:51 +0200 (MET DST)

{Nothing really harmful;  R 1.1.0}

dim(.) sets (or doesn't clear) the  ``invisible flag'' for printing in
certain circumstances:

  > dim(a <- cbind(1))

does *not* print as it should :

  > dim(a)
  [1] 1 1


Question to the real "hackers" :

How can I check this using R code alone (not using files),
i.e. (how) can I ask an R expression if its ``invisible flag'' is set or not ?

{help(invisible) doesn't help here}.

Maybe one would want an



Martin Maechler <maechler@stat.math.ethz.ch>	http://stat.ethz.ch/~maechler/
Seminar fuer Statistik, ETH-Zentrum  LEO D10	Leonhardstr. 27
ETH (Federal Inst. Technology)	8092 Zurich	SWITZERLAND
phone: x-41-1-632-3408		fax: ...-1228			<><

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