There is a virtual class "refClass" that all reference classes subclass,
so is(x, "refClass") is the natural test, as in:
> foo <- setRefClass("foo", fields = "bar")
> x <- foo$new()
> is(x, "refClass")
[1] TRUE
On 3/10/11 7:40 AM, Jeffrey Horner wrote:
Hi all,
I've constructed the following
Hi all,
I've constructed the following function to test whether or not an
object was created from a reference class:
isRefClassObject <- function(x) isS4(x) &&
is.environment(attr(x,'.xData')) &&
exists('.refClassDef',attr(x,'.xData'))
but I'm unsure if it's a complete test or if there's a bette