>> i would advise using this as the ctor of CCC :
>>
>> CCC(Rcpp::List l) : m( l["m"] ) {}
>
> Thanks, Romain. Pardon my ignorance, but did you mean that I should use that
> declaration literally, or was it merely intended to suggest the approach?
This is the preferred way in C++ to initialize data members. (For
efficiency; see Effective C++ item 12 for more on this.)
(Here you're effectively just copying an integer, so the efficiency gain
is practically unmeasurable; use whichever style you feel most
comfortable with.)
> I tried using it literally and still got a compilation error.
I did too. I'm hoping Romain will take another look at it; I'm wondering
if there is a template specialization (or sumfin' like that) missing?
(E.g. there might be a copy constructor specialization, but not the
corresponding operator=() one ?)
Darren
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