open:scalars [EL]

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# scalars

### scheam.edn

<code clojure>
{
 ...
 :scalars {:StockPrice {:parse :dollar->number
                        :serialize :number->dollar}
           :Long  {:parse :long-parse
                   :serialize :long-serialize}}
 ...
}
</code>

<code clojure>
{
...

:objects {
  :Token {:desciption "Token"
                      :fields {:access_token {:type String}
                               :expires_at   {:type :Long}
                               :refresh_token {:type String}
                               :token_type {:type String}}}
 }
...
}
</code>

### schema.clj

<code clojure>
(util/attach-scalar-transformers {:dollar->number scalars/dollar->number
                                  :number->dollar scalars/number->dollar
                                  :long-parse     scalars/long-parse
                                  :long-serialize scalars/long-serialize})
</code>

### scalars.clj

<code clojure>
(def long-parse
  (fn [v]
    (parse-long v)))

(def long-serialize
  (fn [v] v))
</code>