Hi BG,
Laurent dragged me in the conversation so here is my take
https://gist.github.com/2823916 which strictly follows your proposed
"syntax".
hth,
Christophe
On Sat, May 26, 2012 at 6:58 AM, Baishampayan Ghose <b.gh...@gmail.com>wrote:
> Hi,
>
> I have a problem wherein I need to select subsets of a given map;
> think about select-keys, but with arbitrary nesting.
>
> For example, consider this map -
>
> (def my-map {:name "John Doe"
> :email "j...@doe.com"
> :address {:house "42"
> :street "Moon St."
> :city "San Francisco"
> :state "CA"
> :zip 76509
> :mobile "+188888888"}
> :ssn "123456"
> :spouse {:name "Jane Doe"
> :ssn "654321"
> :relation :wife
> :address {:house "42"
> :street "Moon St."
> :city "Atlanta"
> :state "GA"
> :zip 76509
> :mobile "+188888888"}}})
>
> From the above map, I want to extract this sub-map -
>
> {:spouse {:name "Jane Doe", :address {:state "GA", :city "Atlanta"}},
> :name "John Doe",
> :email "j...@doe.com",
> :address {:state "CA", :city "San Francisco"}}
>
> What would be a good way to express this sub-map so that I can pass it
> on to a function?
>
> I am thinking about something like this -
>
> [:name :email {:address [:city :state]} {:spouse [:name {:address
> [:city :state]}]}]
>
> Example implementations are also welcome.
>
> Regards,
> BG
>
> --
> Baishampayan Ghose
> b.ghose at gmail.com
>
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