my simplified reproduction of the issue:
+user=> (let [mk-str (fn [] (lazy-seq [(str ["ZiZi"])]))
a (mk-str)
b (mk-str)]
(print-str a)
(pr-str b)
[a b])
[("[ZiZi]") ("[\"ZiZi\"]")]
isn't *print-readably* the difference between pr-str and print-str?
On Sun, Sep 17, 2017 at 5:59 PM Didier <[email protected]> wrote:
> Lazy sequences cache their values after the first time they are evaluated.
> Since print alters the output of str by binding *print-readably* to false,
> and also forces the sequence to realize itself, the values in your sequence
> are now cached the the result of str without *print-readably*. In
> subsequent calls to the sequence, you get the cache results, so even if you
> change the setting of *print-readably* it doesn't do anything.
>
> Either make sure that when you first access elements of the sequence, the
> bindings are the way you want str to be configured, or have the bindings
> set inside the lazy-seq.
>
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