[Rd] trace with reference class
takahashi.kohske at gmail.com
Thu May 2 14:31:38 CEST 2013
I got it, thanks!
2013/5/2 John Chambers <jmc at r-project.org>:
> No intended change. The trace method was not updated when reference class
> generators became functions. Should be fixed now in r-devel and 3.0.0
> patched (rev 62699).
> Thanks for the catch.
> On 4/29/13 11:30 PM, Kohske Takahashi wrote:
>> The final line of the example in ?setRefClass induces an error:
>>> ## debugging all objects from class mEdit in method $undo()
>>> mEdit$trace(undo, browser)
>> Error in envRefInferField(x, what, getClass(class(x)), selfEnv) :
>> 'undo' is not a valid field or method name for reference class
>> $trace tries to embed the trace in the generator object (instead of
>> the generated object).
>> Has this functionality been removed?
>> Kohske Takahashi <takahashi.kohske at gmail.com>
>> Assistant Professor,
>> Research Center for Advanced Science and Technology,
>> The University of Tokyo, Japan.
>> R-devel at r-project.org mailing list
Kohske Takahashi <takahashi.kohske at gmail.com>
Research Center for Advanced Science and Technology,
The University of Tokyo, Japan.
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