lib/gmaps4rails/extensions/array.rb in gmaps4rails-1.3.0 vs lib/gmaps4rails/extensions/array.rb in gmaps4rails-1.3.1

@@ -2,11 +2,11 @@
   #Scopes on models generate Arrays
   #this method enables short call to the json creation for all elements in the array
   def to_gmaps4rails(&block)
     json = "["
     each do |object|
-      json += Gmaps4rails.create_json(object, &block).to_s
+      json << Gmaps4rails.create_json(object, &block).to_s
     end
     json.chop!.chop! unless json == "["
-    json += "]"
+    json << "]"
   end
 end
\ No newline at end of file