There's currently no support for matching sets and I have no plans in the
near future. Patch welcome, it could be matched and optimized similarly to
map matching.
On Thursday, October 10, 2013, Phillip Lord wrote:
>
> I've been playing with core.match recently. One thing that I am confused
> about is, I cannot match over a set (based on membership), unless I
> convert into a map first.
>
> So, for example....
>
> (defn map-set [set]
> (into {}
> (for [k set]
> [k k])))
>
> (let [x (map-set #{:a :b :c})]
> (match
> [x]
> [{:a _ :b _}] 'match_a_b
> :else nil))
>
>
> returns 'match_a_b
>
> Both of these...
>
> (let [y #{:a :b :c}]
> (match
> [y]
> [{:a _ :b _}] 'match_a_b
> :else nil))
>
> (let [z #{:a :b :c}]
> (match
> [z]
> [#{:a :b}] 'match_a_b
> :else nil))
>
> returns nil. Am I missing something obvious?
>
> Phil
>
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