On 28 October 2010 13:22, andrei <andrei.zhabin...@gmail.com> wrote:

>
> I was seeking `interpose` function, thanks. But it still doesn't work
> for strings - they are not wrapped by "\"\. E.g.
>
> (apply str (interpose ", " (list 1 2 3 4 5)))  ==> "1, 2, 3, 4, 5"
>
> and
>
> (apply str (interpose ", " (list "1" "2" "3" "4" "5"))) ==> "1, 2, 3,
> 4, 5"
>
> The problem is that applying `str` to strings just concatenates them
> and doesn't include inverted commas. It's the same issue that applies
> to `print` and `pr` functions - first just prints, and the second
> prints in the form that can be read by reader. Is there an equivalent
> of `pr` that returns string "as is"?
>
> Of course, I can make such trick:
>
> (defn pr-to-str [o]
>  (let [sw (StringWriter.)]
>    (binding [*out* sw]
>      (pr o))
>    (str sw)))
>
>
> But aren't there such built-in function?
>

Are you looking for pr-str?

user> (pr-str "foo")
"\"foo\""

Regards,
Stuart

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