On Tue, Oct 25, 2011 at 15:33, Alex Ott <alex...@gmail.com> wrote:
> it's better to use https://github.com/clojure/core.match
Thanks, I'd forgotten about core.match.
// ben
> On Tue, Oct 25, 2011 at 11:32 AM, Ben Smith-Mannschott
> <bsmith.o...@gmail.com> wrote:
>> On Tue, Oct 25, 2011 at 11:20, Michael Jaaka
>> <michael.ja...@googlemail.com> wrote:
>>> Hi!
>>> Pattern matching is fine for sequence or vector destruction.
>>> Is is possible to destruct map and make pattern machting?
>>> For example I would like to make constraint for to some query service.
>>> It would be done as map for example: { :name "Tom" :surname "Jakarta"
>>> :birthDate (Date.) } or { :personalId "12312312132" }
>>> Then I would like to dispatch this Value Object:
>>> (defn service
>>> ([ {:keys [name surname]} ] (println "searching by personal data"))
>>> ([{:keys [personalId]} ] (println "searching by id")))
>>>
>>> Why using map instead of specific type of VO?
>>> Because I don't want to decleare types of VO which doesn't bring any value
>>> to domain problem.
>>> Maybe matchure or other lib already implements it?
>>
>> Clojure provides only destructuring, not pattern matching. (It's my
>> impression that Rich is not a fan of mixing destructuring with control
>> flow implied by pattern matching.)
>>
>> If you want pattern matching, matchure seems like just what you need.
>> For your particular example, take a look at matchure's defn-match.
>>
>> https://github.com/dcolthorp/matchure
>>
>> // Ben
>>
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>
>
>
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> http://alexott.net/
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