What am I doing wrong here? I want to call clojure.string/lower-case on
the :incoming-message of this-users-conversation. If there is no message, I
return an empty string.
(defn discern-current-state [this-users-conversation]
(cond
(= (clojure.string/lower-case (get this-users-conversation
:incoming-message "")) "yes") (assoc this-users-conversation :current-state
:salesforce-write)
and yet the error points to the above line:
java.lang.NullPointerException {:class java.lang.NullPointerException,
:message nil, :trace-elems ({:anon-fn false, :fn "lower-case", :ns
"clojure.string", :clojure true, :file "string.clj", :line 215} {:anon-fn
false, :fn "discern-current-state", :ns "nlph.event-bus", :clojure true,
:file "event_bus.clj", :line 92}
but of course, at the REPL, everything works as I would expect:
(def users {:message "hello"})
#'nlph.core/users
nlph.core=> (clojure.string/lower-case (get users :message))
"hello"
nlph.core=> (clojure.string/lower-case (get users :message ""))
"hello"
nlph.core=> (clojure.string/lower-case (get users :lisa))
NullPointerException clojure.string/lower-case (string.clj:215)
nlph.core=> (clojure.string/lower-case (get users :lisa ""))
""
nlph.core=> (clojure.string/lower-case (get users :lisa))
NullPointerException clojure.string/lower-case (string.clj:215)
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