Thanks!
On Fri, Feb 13, 2009 at 1:28 PM, Timothy Pratley
<timothyprat...@gmail.com> wrote:
>
> Yup: select-keys
>
> user=> (select-keys {:a 1 :b 2 :c 3} [:a :c])
> {:c 3, :a 1}
>
> Regards,
> Tim.
>
> On Feb 13, 8:01 pm, Adrian Cuthbertson <adrian.cuthbert...@gmail.com>
> wrote:
>> Hi,
>>
>> I have had need of a "sub" hash map function and implemented it as follows;
>>
>> (defn sub-hashmap
>> "Return a sub map of hmap containing the specified keys."
>> [hmap & ks]
>> (reduce (fn [mm k] (assoc mm k (k hmap))) {} ks))
>>
>> (sub-hashmap {:a 1 :b 2 :c 3} :a :c)
>> ;=> {:c 3, :a 1}
>>
>> Is there a similar existing function or a more idiomatic way of doing this?
>>
>> Thanks, Adrian.
> >
>
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