Regarding your question about join: The clojure.string namespace contains
the join function recommended to you. All functions in the clojure.string
namespace, and several other namespaces (see below for a complete list) are
part of the Clojure JAR file, and in that sense come at "no additional
charge" over and above that Clojure JAR file size. Whether you regard that
Clojure JAR file bloated or not is your judgement call (Clojure 1.5.1 is
~3.5 Mbytes).
$ java -cp $HOME/.m2/repository/org/clojure/clojure/1.5.1/clojure-1.5.1.jar
clojure.main
user=> (use 'clojure.pprint)
nil
user=> (clojure.pprint/pprint (sort (map str (all-ns))))
("clojure.core"
"clojure.core.protocols"
"clojure.instant"
"clojure.java.browse"
"clojure.java.io"
"clojure.java.javadoc"
"clojure.java.shell"
"clojure.main"
"clojure.pprint"
"clojure.repl"
"clojure.string"
"clojure.uuid"
"clojure.walk"
"user")
nil
If you add other libraries with their own separate JAR files, you can look
at each one to decide whether you think its size is worth it. Many that
are written purely in Clojure tend to be source-code only, and thus quite
small. For example, Ring + Compojure + Hiccup JAR files total about 40
Kbytes.
Andy
On Tue, Sep 10, 2013 at 10:46 AM, Igor Demura <ig...@google.com> wrote:
> Thank you Philipp, this is really helpful!
>
> Marshall's guess where *read-eval* from is right. I didn't googled what
> does it mean, just left as-is from the Leiningen template.
>
> Talking on replacement to join. For this function I'll link additional
> library. My question how this works: in C++ world, linker will eliminate
> all unused symbols (classes in this case?) from output binary. Is the same
> true for JVM/Clojure world? Will it bloat binary?
> Why do you recommend update-in instead of assoc? First time I did this,
> than I saw using assoc in similar situation on ClojureDocs and changed
> my mind.
>
> I see your point about architecture. You suggest to make it more
> sequential (composition like: (f (g x))), instead of injecting actions
> like this:
> (defn action [subaction] ;; subaction is a function to pass control to
> (do ... (subaction ...)))
>
> Thank you again.
>
> On Monday, September 9, 2013 4:24:10 PM UTC-7, Igor Demura wrote:
>>
>> Hi Clojure community,
>>
>> (I tried codereview.stackaxchange.com before, but no responses where)
>> I'm Clojure newbie, and feel very excited about it and functional
>> programming in general. I wrote tiny app (59 lines of code) which renders a
>> directory tree to the terminal, filtering with a regex. I'm sure that my
>> code is not perfect and something could be done much better. I'll
>> appreciate if you could spent sometime to review it: https://github.com/*
>> *idemura/incub/tree/master/tree<https://github.com/idemura/incub/tree/master/tree>
>> **. Don't know where to get help with this.
>>
>> Igor.
>>
>> --
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