Re: (rest ())

[Stephen C. Gilardi]

On Feb 27, 2009, at 8:27 PM, Mark Engelberg wrote:

Maybe it doesn't matter in practice, but does it seem odd to anyone
else that (rest ()) returns () rather than nil?

        Clojure
        user=> (doc rest)
        -------------------------
        clojure.core/rest
        ([coll])

          argument.
        nil
        user=> (doc next)
        -------------------------
        clojure.core/next
        ([coll])
          Returns a seq of the items after the first. Calls seq on its
          argument.  If there are no more items, returns nil.
        nil



Why did you expect nil from rest in this case?

--Steve

I think that's to be expected given the recent changes to how laziness works in Clojure. It's consistent with these docs: Returns a possibly empty seq of the items after the first. Calls seq on its Were you thinking of what's now called "next" and used to be called "rest"?

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