Clojure Tutorial: record
This page is WORK IN PROGRESS.
Clojure lets you define a datatype called “records”. It is like a set of key/value pairs, with predefined names of the keys.
;; defines a “record”, named “xx”, with 2 fileds, named “n1” and “n2” (defrecord xx [n1 n2])
“Clojure records” is like a Java class, but with member variables but no methods. It is used as a data type of a predefined shape. The variables are fields.
;; define a record (defrecord rr [n1 n2]) ;; actually create one. (a instance) (def xx (rr. 3 4)) ;; access a field (:n1 xx) ; returns 3
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