2017-09-06 14:15 GMT+02:00 Gary Trakhman <gary.trakh...@gmail.com>:
> The second to last apply argument doesn't spread args like the last slot.
>
OK, I changed it to:
(def digits
(apply str (map char (inclusive-range (int \0) (int \9)))))
(def hex-digits
(str digits
(apply str (map char (inclusive-range (int \A) (int \F))))))
(def alphanumerics
(str digits
(apply str (map char (inclusive-range (int \A) (int \Z))))
(apply str (map char (inclusive-range (int \a) (int \z))))
))
That does what it should. I should probably create a function for the apply
str …
> On Sep 6, 2017 8:11 AM, "Cecil Westerhof" <cldwester...@gmail.com> wrote:
>
> I have:
> (def digits
> (apply str
> (map char (inclusive-range (int \0) (int \9)))))
>
> and this gives:
> "0123456789"
>
> I also have:
> (def hex-digits
> (apply str
> digits
> (map char (inclusive-range (int \A) (int \F)))))
> and this gives:
> "0123456789ABCDEF"
>
> So far so good. Then I define:
> (def alphanumerics
> (apply str
> digits
> (map char (inclusive-range (int \A) (int \Z)))
> (map char (inclusive-range (int \a) (int \z)))
> ))
>
> but this gives:
> "0123456789clojure.lang.LazySeq@4659426eabcdefghijklmnopqrstuvwxyz"
>
> Why does it not give:
> "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
>
> The definition of inclusive-range:
> (defn inclusive-range
> ([start end] (inclusive-range start end 1))
> ([start end step]
> (range start (inc end) step)))
>
>
--
Cecil Westerhof
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