I also notice that
user> (((methods print-method) clojure.lang.Atom) (atom 5) *out*)
#atom[5 0x403721b8]nil
user> (atom 5)
#<Atom@2cc2327d: 5>
and I could not reproduce the printing of '#<Atom@2cc2327d: 5>' with any of
(keys (methods print-method))...
On Saturday, January 1, 2022 at 10:25:28 AM UTC+1 dieter.v...@gmail.com
wrote:
> Hello,
>
> I'm trying the proposed solution ('want unlimited depth, but want to avoid
> printing the
> value of any reference object more than once'). But running into issues:
> - clojure.core/print-sequential appears to be private. Solved with (let
> [printing-fn #'clojure.core/print-sequential]...
> - pr-on does not seem to exist anymore. I assume it functions just as 'pr'
> but using a Writer of your own choosing
> - *iderefs* got to be ^:dynamic
>
> After that, the print-method for IDerefs can be compiled, but when testing
> it on the provided example, I get an
> Execution error (StackOverflowError) at java.lang.ThreadLocal/get
> (ThreadLocal.java:163).
> [#atom[
>
> It appears '[#atom[' printed out is a start of the print-method
> implemented by cider.nrepl and I'm still searching in this direction.
> Is there an updated solution to this problem (print cyclic refs with
> unlimited depth, but avoid printing the
> value of any reference object more than once)?
>
> kind regards,
> Dieter
>
> On Tuesday, October 1, 2013 at 8:57:56 PM UTC+2 Chouser wrote:
>
>> Bah, mutable state! To be cursed in all its forms!
>>
>> Here is the same content as was at that paste.lisp.org link. I haven't
>> tested it with recent versions of Clojure or anything:
>>
>> https://gist.github.com/Chouser/6783292
>>
>> --Chouser
>>
>> On Tue, Oct 1, 2013 at 12:44 PM, Patrik Sundberg
>> <patrik....@gmail.com> wrote:
>> > This paste seems gone - anyone has it available?
>> >
>> > I seem to get bitten by this kind of thing in emacs using nrepl and it
>> > pretty printing something and it gets into an infinite loop locking up
>> my
>> > emacs session completely. Running the same from command line i can see
>> same
>> > behavior (seems related to protocols in my case, but haven't spent much
>> time
>> > on it(). Either way I'd love to work out a way to avoid the cycles and
>> this
>> > paste sounds good.
>> >
>> >
>> > On Monday, January 18, 2010 10:21:52 PM UTC, Chouser wrote:
>> >>
>> >> > On Jan 18, 4:22 pm, Raoul Duke <rao...@gmail.com> wrote:
>> >> >> hi,
>> >> >>
>> >> >> hmmm, i wish there were a way (or that it was the default) to tell
>> the
>> >> >> repl to not continue to loop for ever over things it has already
>> >> >> "printed" out when i eval something that is a cyclic thing. anybody
>> >> >> have a patch, or thought on this?
>> >>
>> >> On Mon, Jan 18, 2010 at 4:38 PM, Mark Hamstra <markh...@gmail.com>
>> wrote:
>> >> > See *print-length* and *print-level* in the core API.
>> >>
>> >> Or if you want unlimited depth, but want to avoid printing the
>> >> value of any reference object more than once, you can try this
>> >> little thing I hacked together a while ago:
>> >>
>> >> http://paste.lisp.org/display/83647
>> >>
>> >> Note that it has to keep a reference to every IDeref object it
>> >> sees while it's printing, in order to detect duplicates.
>> >>
>> >> --Chouser
>> >> http://joyofclojure.com/
>> >
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>>
>> --
>> --Chouser
>>
>
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