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1.3.0

import

import-list => (package-symbol class-name-symbols*)

For each name in class-name-symbols, adds a mapping from name to the
class named by package.name to the current namespace. Use :import in the ns
macro in preference to calling this directly.

3 Examples top

link | changes
```
user=> (import java.util.Date)
java.util.Date

user=> (def *now* (Date.))
#'user/*now*

user=> (str *now*)
"Tue Jul 13 17:53:54 IST 2010"
```
user=> (import java.util.Date) java.util.Date user=> (def *now* (Date.)) #'user/*now* user=> (str *now*) "Tue Jul 13 17:53:54 IST 2010"
link | changes
```
;; Multiple imports at once.
(import '(java.util Date Calendar)
        '(java.net URI ServerSocket)
        java.sql.DriverManager)
```
;; Multiple imports at once. (import '(java.util Date Calendar) '(java.net URI ServerSocket) java.sql.DriverManager)
link | changes
```
;; importing multiple classes in a namespace
(ns foo.bar
  (:import (java.util Date
                      Calendar)
           (java.util.logging Logger
                              Level)))
```
;; importing multiple classes in a namespace (ns foo.bar (:import (java.util Date Calendar) (java.util.logging Logger Level)))

Source clojure/core.clj:3011 top

(defmacro import 
  "import-list => (package-symbol class-name-symbols*)

  For each name in class-name-symbols, adds a mapping from name to the
  class named by package.name to the current namespace. Use :import in the ns
  macro in preference to calling this directly."
  {:added "1.0"}
  [& import-symbols-or-lists]
  (let [specs (map #(if (and (seq? %) (= 'quote (first %))) (second %) %) 
                   import-symbols-or-lists)]
    `(do ~@(map #(list 'clojure.core/import* %)
                (reduce1 (fn [v spec] 
                          (if (symbol? spec)
                            (conj v (name spec))
                            (let [p (first spec) cs (rest spec)]
                              (into1 v (map #(str p "." %) cs)))))
                        [] specs)))))

Vars in clojure.core/import:

Used in 0 other vars

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Clojure Core

Namespaces

import

clojure.core

3 Examples top

See Also top

Source clojure/core.clj:3011 top

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