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chpill/with-an-error.clj

Created March 25, 2017 16:20
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with-an-error.clj
(def mini-chunks-with-error
[[{:a 0} {:a 1} {:a 2}]
[{:a 0} {:a 1} {:a 2}]
{:error "Something terrible has happened!"}])
(original mini-chunks-with-error)
=> {:error "Something terrible has happened!"}
(using-xform mini-chunks-with-error)
=> Unhandled java.lang.ClassCastException
clojure.lang.PersistentArrayMap cannot be cast to
clojure.lang.ITransientCollection
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