I'm reading "Cloujure in Action" as an introduction to Clojure and, although, I understand a keyword can be used as a function I don't understand the difference between:

(ns org.currylogic.damages.http.expenses
           (:require [clojure.data.json :as json-lib]
                          [clojure.xml :as xml-core]))

... and

(ns org.currylogic.damages.http.expenses
           (require [clojure.data.json :as json-lib]
                         [clojure.xml :as xml-core]))


When is it idiomatic or even preferable to substitute a function with a keyword equivalent?


gvim

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