Always forgetting this one :)

It performs better than the other solutions...

On Fri, 21 Oct 2011 21:15:51 -0700 (PDT)
Alan Malloy <a...@malloys.org> wrote:

> clojure.string/join
> 
> On Oct 21, 8:54 pm, Shoeb Bhinderwala <shoeb.bhinderw...@gmail.com>
> wrote:
> > Thanks. It is so much cleaner with interpose.
> >
> > On Oct 21, 9:24 pm, Luc Prefontaine <lprefonta...@softaddicts.ca>
> > wrote:
> >
> >
> >
> >
> >
> >
> >
> > > user=> (str "('" (apply str (interpose "', '" [1 2 3 4 5])) "')")
> > > "('1', '2', '3', '4', '5')"
> >
> > > Would be a way to do it. Interpose returns a lazy sequence so you
> > > need to apply str to realize the sequence.
> >
> > > Luc P.
> >
> > > On Fri, 21 Oct 2011 17:54:41 -0700 (PDT)
> >
> > > Shoeb Bhinderwala <shoeb.bhinderw...@gmail.com> wrote:
> > > > Hi
> >
> > > > I wrote the following function to create a SQL IN clause from a
> > > > list of values. Essentially the function creates a single
> > > > string which is a comma separated quoted list of the values
> > > > surrounded by parenthesis.
> >
> > > > user=> (def xs [1 2 3 4 5])
> >
> > > > user=>(str "('" (first xs) (reduce #(str %1 "', '" %2) "" (rest
> > > > xs)) "')")
> > > > "('1', '2', '3', '4', '5')"
> >
> > > > user=> (def xs ["ab" "cd" "ef" "gh"])
> >
> > > > user=> (str "('" (first xs) (reduce #(str %1 "', '" %2)
> > > > "" (rest xs)) "')")
> > > > "('ab', 'cd', 'ef', 'gh')"
> >
> > > > I am wondering if there is a better/easier/more elegant way to
> > > > write this function. Or if I can make use of a more suitable
> > > > function from the clojure core library to achieve this?
> >
> > > > Thanks
> > > > Shoeb
> >
> > > --
> > > Luc P.
> >
> > > ================
> > > The rabid Muppet
> 



-- 
Luc P.

================
The rabid Muppet

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