Looks like I've been too fast in my reply, looking at the docstring I
see that I'm wrong and you're right. I didn't realize as-> could take
more than one "body"

On Sat, Nov 15, 2014 at 3:05 PM, Nicola Mometto <brobro...@gmail.com> wrote:
>
> as-> only binds the specified expression rather than each result in step
> and only works from within ->
>
> Timothy Baldridge writes:
>
>> That was added to clojure.core in 1.6 and is known as "as->"
>> https://clojuredocs.org/clojure.core/as-%3E
>>
>>
>>
>> On Sat, Nov 15, 2014 at 6:55 AM, Krzysiek Herod <krzysiek.he...@gmail.com>
>> wrote:
>>
>>> Guys, what do you think about new thread macro (I would call it thread-any
>>> and represent it as "%>"), that would require you to always specify the
>>> position of the argument you want to pass to the function?
>>>
>>> This code:
>>>
>>> (defn csv-line->sql-line [table, line]
>>>   (-> line
>>>       (str " ")
>>>       (str/split separator)
>>>       (#(map csv-field->sql-field %))
>>>       (#(str/join ", " %))
>>>       (str/replace strings-wrapper "\"")
>>>       (#(str "INSERT INTO ", table, " VALUES(" % ");"))))
>>>
>>> would become:
>>>
>>> (defn csv-line->sql-line [table, line]
>>>   (%> line
>>>       (str % " ")
>>>       (str/split % separator)
>>>       (map csv-field->sql-field %)
>>>       (str/join ", " %)
>>>       (str/replace strings-wrapper % "\"")
>>>       (str "INSERT INTO ", table, " VALUES(" % ");")))
>>>
>>> Reasoning:
>>> - there are functions that are "thread-first fiendly", and other that are
>>> "thread-last friendly", by using thread-in you don't have to redefine
>>> functions only to change the order of the attributes
>>> - I find it easier to follow execution chain if the argument is passed
>>> explicitely
>>>
>>> PS. I'm a clojure newbie, still in the process of learning basics. For
>>> example I'm not sure how to implement such macro yet, so if you find
>>> something obviously wrong, or missing in my suggestion, please let me know.
>>> I'll be super happy to read about alternative solutions to achieve similar
>>> goal.
>>>
>>> --
>>> 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/d/optout.
>>>
>>
>>
>>
>> --
>> “One of the main causes of the fall of the Roman Empire was that–lacking
>> zero–they had no way to indicate successful termination of their C
>> programs.”
>> (Robert Firth)
>
> --

-- 
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/d/optout.

Reply via email to