Re: [R] dumpClass, hasSlot in R?

From: Gabor Grothendieck <ggrothendieck_at_myway.com>
Date: Thu 22 Jul 2004 - 16:41:27 EST

Marc Schwartz <MSchwartz <at> MedAnalytics.com> writes:

:
: On Wed, 2004-07-21 at 15:53, hadley wickham wrote:
: > There are a few notes about difference between the R implementation
: > and the book at http://developer.r-project.org/methodsPackage.html
: >
: > I found the hardest thing to get to grips in R was method calling -
: > using multiple dispatch (totally different to what I'm used to from
: > Java, Python etc.). I found this tutorial
: > (http://www.gwydiondylan.org/gdref/tutorial.html, the sections on
: > generic functions and multiple-dispatch) very useful. However, it is
: > for another programming language, and although the method and class
: > creation process feels very similar to R, the syntax is quite
: > different. There is definitely scope for a similarly structured
: > introduction to S4 classes in R.
: >
: > Hadley
:
: I have not done any S4 coding yet, but two references that may be of
: interest are:
:
: "Converting Packages to S4"
: by Doug Bates
: R News Vol 3, No. 1, June 2003
: http://cran.r-project.org/doc/Rnews/Rnews_2003-1.pdf
:
: and
:
: "S4 Classes and Methods"
: by Fritz Leisch
: useR! 2004 Keynote Lecture
: Slides available at:
: http://www.ci.tuwien.ac.at/Conferences/useR-2004/Keynotes/Leisch.pdf
:
: HTH,
:
: Marc Schwartz

Also:

S4 Classes in 15 pages, more or less
http://www.bioconductor.org/develPage/guidelines/programming/S4Objects.pdf



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