On 22 November 2010 15:02, Alex Baranosky <alexander.barano...@gmail.com>wrote:

> Hi guys,
>
> I'm trying to figure out how to use sort-by in reverse order.
>
> something like:
>
> (defn keyfn [p]
>     (:last-name p))
>
> (sort-by keyfn persons)
>
> where persons is a map...
>
> I don't see it in the docs, what's the idiomatic way to do this?
>
>
Not sure if this is the most idiomatic way but there's always:

(reverse (sort-by :last-name persons))

or

(sort-by :last-name #(compare %2 %1) persons)

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