>>>>> "Robin" == Robin Hankin <[EMAIL PROTECTED]>
>>>>> on Wed, 31 Aug 2005 08:09:15 +0100 writes:
Robin> Hi it says in R-exts that
1) A method must have all the arguments of the generic,
including ... if the generic does.
2) A method must have arguments in exactly the same order as the generic.
3) A method should use the same defaults as the generic.
Robin> So, how come the arguments for rep() are (x, times, ...) and the
Robin> arguments
Robin> for rep.default() are (x, times, length.out, each, ...) ?
Shouldn't
Robin> these be the same?
no. If they should be the same, the "R-exts" manual would use
a much shorter formulation than the carefully crafted points
1--3 above!
The point is that methods often have *extra* arguments
which match the "..." of the generic.
That's one of the points about "..." !
Martin Maechler, ETH Zurich
Robin> I am writing a rep() method for objects with class "octonion", and
Robin> my function rep.octonion() has argument list (x, times, length.out,
Robin> each, ...)
Robin> just like rep.default(), but R CMD check complains about it,
pointing
Robin> out that rep() and rep.octonion() have different arguments.
Robin> What do I have to do to my rep.octonion() function to make my package
Robin> pass R CMD check without warning?
Robin> --
Robin> Robin Hankin
Robin> Uncertainty Analyst
Robin> National Oceanography Centre, Southampton
Robin> European Way, Southampton SO14 3ZH, UK
Robin> tel 023-8059-7743
Robin> ______________________________________________
Robin> R-devel@r-project.org mailing list
Robin> https://stat.ethz.ch/mailman/listinfo/r-devel
Robin> A method must have all the arguments of the
Robin> generic, including ... if the generic does. A method
Robin> must have arguments in exactly the same order as the
Robin> generic. A method should use the same defaults as
Robin> the generic.
Robin> So, how come the arguments for rep() are (x, times,
Robin> ...) and the arguments for rep.default() are (x,
Robin> times, length.out, each, ...) ? Shouldn't these be
Robin> the same?
Robin> I am writing a rep() method for objects with class
Robin> "octonion", and my function rep.octonion() has
Robin> argument list (x, times, length.out, each, ...) just
Robin> like rep.default(), but R CMD check complains about
Robin> it, pointing out that rep() and rep.octonion() have
Robin> different arguments.
Robin> What do I have to do to my rep.octonion() function to
Robin> make my package pass R CMD check without warning?
Robin> -- Robin Hankin Uncertainty Analyst National
Robin> Oceanography Centre, Southampton European Way,
Robin> Southampton SO14 3ZH, UK tel 023-8059-7743
Robin> ______________________________________________
Robin> R-devel@r-project.org mailing list
Robin> https://stat.ethz.ch/mailman/listinfo/r-devel
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