I found this macro I wrote really useful for exactly this type of thing:
https://github.com/markmandel/while-let
As long as you are happy for your go loop to stop when nil comes through
(i.e. when it gets closed).
(go (while-let [data (<! (channel))]
(println data)))
Mark
On Tue, Jan 14, 2014 at 4:34 PM, t x <txrev...@gmail.com> wrote:
> Understood. Thanks for the clarification.
>
>
> On Mon, Jan 13, 2014 at 9:28 PM, Ben Mabey <b...@benmabey.com> wrote:
>
>> On Mon Jan 13 18:11:10 2014, t x wrote:
>>
>>> Consider the following code block:
>>>
>>>
>>> (defn make-stupid []
>>> (go (loop []
>>> (recur))))
>>>
>>> (def x (make-stupid))
>>>
>>> ;; ... is there a way to kill this infinite go-loop ?
>>>
>>
>> No, you can not kill the loop with the go channel that is bound to x.
>> You need to return a stop, a.k.a. poison, channel that the go block checks
>> before recurring. Something like:
>>
>> (let [stop (chan)]
>> (go
>> (loop []
>> (when (alt! stop false :default :keep-going)
>> ...
>> (recur))))
>> stop)
>>
>> -Ben
>>
>> --
>> --
>> You received this message because you are subscribed to the Google
>> Groups "Clojure" group.
>> To post to this group, send email to clojure@googlegroups.com
>> Note that posts from new members are moderated - please be patient with
>> your first post.
>> To unsubscribe from this group, send email to
>> clojure+unsubscr...@googlegroups.com
>> For more options, visit this group at
>> http://groups.google.com/group/clojure?hl=en
>> --- You received this message because you are subscribed to the Google
>> Groups "Clojure" group.
>> To unsubscribe from this group and stop receiving emails from it, send an
>> email to clojure+unsubscr...@googlegroups.com.
>> For more options, visit https://groups.google.com/groups/opt_out.
>>
>
> --
> --
> You received this message because you are subscribed to the Google
> Groups "Clojure" group.
> To post to this group, send email to clojure@googlegroups.com
> Note that posts from new members are moderated - please be patient with
> your first post.
> To unsubscribe from this group, send email to
> clojure+unsubscr...@googlegroups.com
> For more options, visit this group at
> http://groups.google.com/group/clojure?hl=en
> ---
> You received this message because you are subscribed to the Google Groups
> "Clojure" group.
> To unsubscribe from this group and stop receiving emails from it, send an
> email to clojure+unsubscr...@googlegroups.com.
> For more options, visit https://groups.google.com/groups/opt_out.
>
--
E: mark.man...@gmail.com
T: http://www.twitter.com/neurotic
W: www.compoundtheory.com
2 Devs from Down Under Podcast
http://www.2ddu.com/
--
--
You received this message because you are subscribed to the Google
Groups "Clojure" group.
To post to this group, send email to clojure@googlegroups.com
Note that posts from new members are moderated - please be patient with your
first post.
To unsubscribe from this group, send email to
clojure+unsubscr...@googlegroups.com
For more options, visit this group at
http://groups.google.com/group/clojure?hl=en
---
You received this message because you are subscribed to the Google Groups
"Clojure" group.
To unsubscribe from this group and stop receiving emails from it, send an email
to clojure+unsubscr...@googlegroups.com.
For more options, visit https://groups.google.com/groups/opt_out.
