On 08/15/2010 02:39 PM, Vitaly S. wrote:
>
> Dear Developers,
>
> I wonder what are the parent.frame rules for methods. For ordinary functions
> one
> can call parent.frame() and be sure that it is the environment of a calling
> function. With S4 aparently it is not the case.
>
> Here is what I
Martin Morgan writes:
>>
>> So, can I be sure that for such functions parent.frame(2) will always work?
>> What are the additional rules?
>
> callNextMethod() will cause additional problems; the idea that you'll
> grab things from somewhere other than function arguments doesn't seem
> like a ro
