RE: R-beta: Still want restart() in R

Martyn Plummer (plummer@iarc.fr)
Thu, 23 Oct 1997 17:04:36 +0200 (MET DST)


Date: Thu, 23 Oct 1997 17:04:36 +0200 (MET DST)
From: Martyn Plummer <plummer@iarc.fr>
To: fear@scmp.scm.liv.ac.uk
Subject: RE: R-beta: Still want restart() in R

On 23-Oct-97 fear@scmp.scm.liv.ac.uk wrote:
>People's valiant efforts to sort out CODA aside, the burning question remains:
>has anybody made any headway with restart()? or any other way (and there may 
>well be better) of trapping `fatal' errors from calls within a function.

I don't think restart() is necessary - it just seems like an invitation
to bad programming to me. I would, however, like a safe parse function
which would return a user-defined error code instead of crashing if
the input is invalid.  Such a function could then be safely called
from another function and allow very general user input. 

Martyn
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