Coldfusion: Perks of iterating through structures and arrays using .each()

using-for-in-loops.cfc

   json = getPayload();
   courses = deserializeJson(json); //this returns an array of structs

   for(course in courses) {
       importClass(course);
   }

   function importClass(required struct course) {
       queryObject = new query(datasource);
       queryObject.addParam(name="fieldA", value=arguments.course["fieldA"]);
       queryObject.addParam(name="fieldB", value=arguments.course["fieldB"]);
       queryObject.addParam(name="fieldC", value=arguments.course["fieldC"]);
       
       //build and execute insert/update query
   }