[R] mapply() gives seg fault

Robin Hankin rksh at soc.soton.ac.uk
Tue Oct 14 17:54:51 CEST 2003


Hello again

thanks for this.  What I should have asked is, should one always report
repeatable seg faults (even if functions are called with 
inappropriate arguments)?

[the emacs bug report FAQ says "yes" but I don't think there is a 
similar policy for R].

best


rksh


>On Tue, 14 Oct 2003, Robin Hankin wrote:
>
>>  Hello everybody.
>>
>>  I've been experimenting with mapply().  Does anyone else have problems with:
>>
>>  R> mapply(rep,times=1:4, MoreArgs=42)
>>
>>  (I get a seg fault).
>>
>
>Yes, thanks for reporting this.
>
>You should get an error message instead: the correct syntax would be
>mapply(rep, times=1:4, MoreArgs=list(42))
>
>It looks as though just coercing to a list would probably be sufficient.
>
>	-thomas




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