[Rd] classed

[Paul Gilbert]

For a long time now I've been using a function:

classed <- function (x, cls)
{
    class(x) <- cls
    x
}

as a utility at the end other functions to set the class of an object and return
the object. I've  noticed examples where others have been doing a similar thing
and I think it would be a useful addition to R base (unless there is already
something there to do this - it wouldn't be the first time I've missed
something). The function is useful not so much because it saves a line of code
in other functions, but because I think it encourages a cleaner, easier to read
style.

Paul Gilbert

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