fix regression in cljs that causes warning for record fields named var and other reserved words

src/clj/com/rpl/specter/impl.cljc

@@ -421,8 +421,10 @@
 (defrecord LocalSym
   [val sym])
 
+;; needs to be named "avar" instead of "var" due to regression in cljs circa
+;; 6/26/2017. See https://github.com/nathanmarz/specter/issues/215
 (defrecord VarUse
-  [val var sym])
+  [val avar sym])
 
 (defrecord SpecialFormUse
   [val code])
@@ -686,14 +688,14 @@
         (preserve-map magic-precompilation* o)
 
         (instance? VarUse o)
-        (if (dynamic-var? (:var o))
+        (if (dynamic-var? (:avar o))
           (->DynamicVal (maybe-direct-nav
                          (:sym o)
-                         (or (-> o :var direct-nav?)
+                         (or (-> o :avar direct-nav?)
                              (-> o :sym direct-nav?))))
           (maybe-direct-nav
             (:val o)
-            (or (-> o :var direct-nav?)
+            (or (-> o :avar direct-nav?)
                 (-> o :sym direct-nav?)
                 (-> o :val direct-nav?))))
 

test/com/rpl/specter/core_test.cljc

@@ -1577,6 +1577,16 @@
   (is (= [1 3 3] (transform MIDDLE inc [1 2 3])))
   )
 
+(def ^:dynamic *dvar* :a)
+
+(defn dvar-tester []
+  (select-any *dvar* {:a 1 :b 2}))
+
+(deftest dynamic-var-ic-test
+  (is (= 1 (dvar-tester)))
+  (is (= 2 (binding [*dvar* :b] (dvar-tester))))
+  )
+
 #?(:clj
   (do
     (defprotocolpath FooPP)