defrecord
;; from Stu's examples: (defrecord Person [fname lname address]) -> user.Person (defrecord Address [street city state zip]) -> user.Address (def stu (Person. "Stu" "Halloway" (Address. "200 N Mangum" "Durham" "NC" 27701))) -> #'user/stu (:lname stu) -> "Halloway" (-> stu :address :city) -> "Durham" (assoc stu :fname "Stuart") -> #:user.Person{:fname "Stuart", :lname "Halloway", :address #:user.Address{:street "200 N Mangum", :city "Durham", :state "NC", :zip 27701}} (update-in stu [:address :zip] inc) -> #:user.Person{:fname "Stu", :lname "Halloway", :address #:user.Address{:street "200 N Mangum", :city "Durham", :state "NC", :zip 27702}}
