[Rd] Changes in error reporting in r-devel

luke-tierney at uiowa.edu luke-tierney at uiowa.edu
Sun Nov 27 23:30:34 CET 2016

Its a compiled/interpreted difference. At the moment a small function
like this is only compiled on the second call. That is in flux as we
tune the JIT. But we should try to get rid of the difference. I
actually prefer seeing the more specific call b() since you can get
the larger context from traceback(), and showing b() is more
consistent with argument errors in builin calls.



On Sun, 27 Nov 2016, Duncan Murdoch wrote:

> On 27/11/2016 11:34 AM, brodie gaslam via R-devel wrote:
>> Minor issue, but the following changed as of R3.3.2 from:
>>     > a <- function() b()
>>     > a()
>>     Error in a() : could not find function "b"
>> To (at least in R Under development (unstable) (2016-11-20 r71670)):
>>     Error in b() : could not find function "b"
>> Notice the "Error in **b**() :" part.  The original error message seems 
>> more correct to me, although I can see how you can argue for either one.
> I'm not seeing that in R-devel r71694.  Could you update and try again?
> Duncan Murdoch
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Luke Tierney
Ralph E. Wareham Professor of Mathematical Sciences
University of Iowa                  Phone:             319-335-3386
Department of Statistics and        Fax:               319-335-3017
    Actuarial Science
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