Dear list,
When playing around with the "[" method for S4 classes I noticed that it gets
called twice in my example.
setClass("testClass",
representation(a="character"))
setMethod("[", signature(x = "testClass", i = "ANY", j="ANY"),
function (x, i, j, ..., drop){
print("void function")
}
)
> x <- new("testClass")
> x[1]
[1] "void function"
[1] "void function"
> x[1,1]
[1] "void function"
[1] "void function"
> x[1,1,1]
[1] "void function"
[1] "void function"
>
Why is that so? Can someone help me understand the logic behind it?
Thanks,
Mark
–––––––––––––––––––––––––––––––––––––––
Mark Heckmann
Blog: www.markheckmann.de
R-Blog: http://ryouready.wordpress.com
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