One more thing…
If I try this, it looks okay
user=> (Integer/parseInt (:value (j1 (keyword "abcdef"))))
10
But within the function, I get cast exceptions.
user=> j1
{:abcdef {:value "10"}}
user=> j2
{:abcdef {:value "20"}}
user=> (defn metric-diff [metric & json-objs]
(apply - (map (comp (Integer/parseInt :value) (keyword metric))
json-objs)))
#'user/metric-diff
user=> (keyword "abcdef")
:abcdef
user=> (metric-diff (keyword "abcdef") j1 j2 )
java.lang.ClassCastException: clojure.lang.Keyword cannot be cast to
java.lang.String (NO_SOURCE_FILE:0)
How can I coerce the JSON stringified numbers into integers ?
-Avram
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