S3 methods for cbind/rbind

Actually you can add your own method.  See

library(zoo)
rbind.zoo

for an example.
I created a type of object similar to a data frame. In some circumstances, It
needs special methods for "[" and "[<-" and rbind() (but not cbind()). Then I
found this in the cbind()/rbind() man page:

    The method dispatching is _not_ done via 'UseMethod()', but by
    C-internal dispatching. Therefore, there is no need for, e.g.,
    'rbind.default'.

This seems to imply I cannot add my own method. Is there 1) a workaround to
and 2) a rationale for this? (Other than creating a generic Rbind() or
whatever, that is.)

I'm using S3 methods.

Thanks in advance!

--
 Vincent Goulet, Associate Professor
 ?cole d'actuariat
 Universit? Laval, Qu?bec
 Vincent.Goulet at act.ulaval.ca   http://vgoulet.act.ulaval.ca

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S3 methods for cbind/rbind

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