[MVB] [snip] > > > >> makeActiveBinding( 'myAB', function( x) if( missing( x)) get( > >> 'myABguts', env=.GlobalEnv) else assign( 'myABguts', x, > .GlobalEnv), > >> exists( 'myAB') > > > > which appeared to return absolutely nothing-- not even a > missing or a null. The problem, of course, is that 'myABguts' > doesn't exist yet; what seems to happen, though, is that the > failure to 'get' causes a *messageless* error inside the > active binding function. Is this intended? >
[Luke Tierney] > What I get is this: > > exists( 'myAB') > Error in get(x, envir, mode, inherits) : variable > "myABguts" was not found [MVB] Hmmm, yes, this morning that's exactly what I get too. I was running this on a different machine (also R2.0.1 under Windows XP) when I repeatedly got the messageless error which prompted my question. I'll see whether I can re-reproduce it on that system. Thanks Mark ______________________________________________ R-devel@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
