Why would you do this, when lists are fundamental types in R?
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Shing Hing Man <mat...@yahoo.com> wrote:
Hi, I am trying to create a linked list in R by defining a class Node which has
a instance variable Node. setClass("Node", representation(rate="numeric",
nextNode="ANY")) The above works. But the following gives me a warning message.
setClass("Node", representation(rate="numeric", nextNode="Node")) > >
setClass("Node", representation(rate="numeric", nextNode="ANY")) [1] "Node" >
removeClass("Node") [1] TRUE > > setClass("Node",
representation(rate="numeric", nextNode="Node")) [1] "Node" Warning message:
undefined slot classes in definition of "Node": nextNode(class "Node") > In the
case when nextNode is type Node, is it possible to get ride of the above
"undefined slot classes" warning message ? Thanks in advance for any
assistance! Shing_____________________________________________
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