;; Copyright (c) James Reeves. All rights reserved.
;; The use and distribution terms for this software are covered by the Eclipse
;; Public License 1.0 (http://opensource.org/licenses/eclipse-1.0.php) which
;; can be found in the file epl-v10.html at the root of this distribution. By
;; using this software in any fashion, you are agreeing to be bound by the
;; terms of this license. You must not remove this notice, or any other, from
;; this software.

(ns compojure.ns-utils)

(defn immigrate
 "Create a public var in this namespace for each public var in the
 namespaces named by ns-names. The created vars have the same name, value,
 and metadata as the original except that their :ns metadata value is this
 namespace."
 [& ns-names]
 (doseq [ns ns-names]
   (require ns)
   (doseq [[sym var] (ns-publics ns)]
     (let [sym (with-meta sym (assoc (meta var) :ns *ns*))]
       (if (.isBound var)
         (intern *ns* sym (var-get var))
         (intern *ns* sym))))))