In this segment of clojure code:

(defn makeStructs ;line 27
 "open fName as a file and turns each line into a struct. Returns a Vector of structs"
 [fName]
   with-open[r (reader (file fName))]
   (let [r 
      res (doall (map makeStruct (line-seq r)))
      ]    
  (. r close)
     res
  ) 
)

I am getting this compiler error:

Exception in thread "main" java.lang.Exception: Can't take value of a macro: #'clojure.core/with-open (clojureHW.clj:27)

Line 27 is commented above.

Any idea what the problem is?

clojure compiler-errors
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