Hi,

On Jun 22, 7:47 am, David Nolen <dnolen.li...@gmail.com> wrote:

> Clearly a range' is in order.

Eh? Why? The following is probably completely hypothetical syntax,
because I'm not familiar with the changes in the numeric branches. But
I think, it's easy to get my point.

(defn range
  ([^long lower ^long upper] work with ints here)
  ([lower upper] work with boxed numbers here))

As long as the limits fit into a long, no overflow can happen. So we
can safely do fast primitive math inside. As soon as one of the limits
is a boxed number we do the usual stuff. So one can use range
transparently and still get fast results if provided with primitive
input.

Sincerely
Meikel

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