A slightly faster version of Clojure's select-keys.
A slightly faster version of Clojure's `select-keys`.
(fselect-keys m ks)5–20% faster implementation of Clojure's core select-keys.
When given hashmap m and key-sequence ks, returns a hashmap containing
only those entries in m whose key is in ks.
Example:
(fselect-keys {:a 11 :b 22 :c 33} [:a :c]) ;; => {:a 11, :c 33}
5–20% faster implementation of Clojure's core [`select-keys`](https://clojure.github.io/clojure/clojure.core-api.html#clojure.core/select-keys).
When given hashmap `m` and *key-sequence* `ks`, returns a hashmap containing
only those entries in `m` whose key is in `ks`.
Example:
```Clojure
(fselect-keys {:a 11 :b 22 :c 33} [:a :c]) ;; => {:a 11, :c 33}
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