Can you produce a runnable gist. Not much time to help unfortunately, but a
gist would help.
> On 23 Oct 2015, at 14:27, r/ Wobben <wobbe...@gmail.com> wrote:
>
> Thanks,
>
> Still not what I was expecting.
>
> Suppose I have a map called records which has this [{:name ‘roelof’ :city
> ‘secret’} {:name ‘somewhere-else’ :city ‘who-knows’}]
>
> When I do :
>
> (defn convert-back
> "converts the map back to a csv string"
> [{:keys [name, glitter-index]}, records ]
> (map (fn [{:keys [name glitter-index]}] (clojure.string/join "," [name
> glitter-index]))) records)
>
> I see this error message :
>
> ArityException Wrong number of args (1) passed to: core/convert-back
> clojure.lang.AFn.throwArity (AFn.java:429)
>
> and when im doing :
>
> (defn convert-back
> "converts the map back to a csv string"
> [records ]
> (map (fn [{:keys [name glitter-index]}] (clojure.string/join "," [name
> glitter-index]))) records)
>
> I see this as output ;
>
> {:name "roelof", :glitter-index 2}
>
> Frustating to learn clojure
>
>
>
> Op vrijdag 23 oktober 2015 14:50:30 UTC+2 schreef Colin Yates:
> clojure.string/join not clojure.join/string
>> On 23 Oct 2015, at 13:49, r/ Wobben <wobb...@ <>gmail.com
>> <http://gmail.com/>> wrote:
>>
>> Thanks,
>>
>> I tried it like this :
>>
>> (defn convert-back
>> "converts the map back to a csv string"
>> [{:keys [name, city]}, records ]
>> (map (fn [{:keys [name city]}] (clojure.join/string “,” [name city])))
>> records)
>>
>> and then I do : (convert-back {:name "roelof" :city: secret}, { :name "X"
>> :city "Earth"} )
>>
>> and I see this error when running in repl :
>> #error {
>> :cause clojure.join
>> :via
>> [{:type clojure.lang.Compiler$CompilerException
>> :message java.lang.ClassNotFoundException: clojure.join,
>> compiling:(chapter_4/core.clj:56:47)
>> :at [clojure.lang.Compiler analyzeSeq Compiler.java 6730]}
>> {:type java.lang.ClassNotFoundException
>> :message clojure.join
>> :at [java.net.URLClassLoader$1 run URLClassLoader.java 366]}]
>> :trace
>> [[java.net.URLClassLoader$1 run URLClassLoader.java 366]
>> [java.net.URLClassLoader$1 run URLClassLoader.java 355]
>> [java.security.AccessController doPrivileged AccessController.java -2]
>> e clojure.join
>> :via
>> [{:type clojure.lang.Compiler$CompilerException
>> :message java.lang.ClassNotFoundException: clojure.join,
>> compiling:(chapter_4/core.clj:56:47)
>> :at [clojure.lang.Compiler analyzeSeq Compiler.java 6730]}
>> {:type java.lang.ClassNotFoundException
>> :message clojure.join
>> :at [java.net.URLClassLoader$1 run URLClassLoader.java 366]}]
>> :trace
>> [[java.net.URLClassLoader$1 run URLClassLoader.java 366]
>> [java.net.URLClassLoader$1 run URLClassLoader.java 355]
>> [java.security.AccessController doPrivileged AccessController.java -2]
>>
>> #error {
>> :cause clojure.join
>> :via
>> [{:type clojure.lang.Compiler$CompilerException
>> :message java.lang.ClassNotFoundException: clojure.join,
>> compiling:(chapter_4/core.clj:56:47)
>> :at [clojure.lang.Compiler analyzeSeq Compiler.java 6730]}
>> {:type java.lang.ClassNotFoundException
>> :message clojure.join
>> :at [java.net.URLClassLoader$1 run URLClassLoader.java 366]}]
>> :trace
>> [[java.net.URLClassLoader$1 run URLClassLoader.java 366]
>> [java.net.URLClassLoader$1 run URLClassLoader.java 355]
>> [java.security.AccessController doPrivileged AccessController.java -2]
>>
>> Roelof
>>
>>
>> (convert-back {:name "roelof" :glitter-index 2 })(convert-back {:name
>> "roelof" :glitter-index 2 })
>>
>> Op vrijdag 23 oktober 2015 14:25:44 UTC+2 schreef Colin Yates:
>> (apply clojure.string/join “," (vals my-map)) would work but you can’t
>> guarantee the order.
>>
>> (map (fn [{:keys [name city]}] (clojure.join/string “,” [name city])))
>> my-map) gives you control of the order in which the fields are processed.
>>
>> You could also look at juxt as well?
>>
>>> On 23 Oct 2015, at 12:49, r/ Wobben <wobb...@gmail.com <>> wrote:
>>>
>>> Hello,
>>>
>>> As a challenge I need to convert a map structure to a csv structure.
>>>
>>> So ( { :name "roelof", :city secret }) need to be converted to roelof,
>>> secret.
>>>
>>> I think I can use something like (map clojure.string/join ..) for it but
>>> it seems I have to make a function out of the :name roelof part to get
>>> roelof back.
>>>
>>> I could use get for then I do not know how to call 1 records of the whole
>>> map.
>>>
>>> Can someone explain in simple English how I can solve this one ?
>>>
>>> --
>>> You received this message because you are subscribed to the Google
>>> Groups "Clojure" group.
>>> To post to this group, send email to clo...@ <>googlegroups.com
>>> <http://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+u...@ <>googlegroups.com <http://googlegroups.com/>
>>> For more options, visit this group at
>>> http://groups.google.com/group/clojure?hl=en
>>> <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+u...@ <>googlegroups.com <http://googlegroups.com/>.
>>> For more options, visit https://groups.google.com/d/optout
>>> <https://groups.google.com/d/optout>.
>>
>>
>> --
>> You received this message because you are subscribed to the Google
>> Groups "Clojure" group.
>> To post to this group, send email to clo...@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+u...@googlegroups.com <>
>> For more options, visit this group at
>> http://groups.google.com/group/clojure?hl=en
>> <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+u...@googlegroups.com <>.
>> For more options, visit https://groups.google.com/d/optout
>> <https://groups.google.com/d/optout>.
>
>
> --
> 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
> <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
> <mailto:clojure+unsubscr...@googlegroups.com>.
> For more options, visit https://groups.google.com/d/optout
> <https://groups.google.com/d/optout>.
--
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.
