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nahuel/gist:a07db3003ad22bda17a0

Created October 7, 2014 20:38
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taking care on macroexpansion order when using *ns* in macros
Raw
gistfile1.clj
(ns c)
(defmacro print-ns [] (println [:c *ns*]))
(ns b)
(defmacro print-ns [] (c/print-ns))
;;=> prints [:c #<Namespace b>] when c/print-ns is expanded
(b/print-ns)
;;=> nothing printed, c/print-ns already macroexpanded (and println executed) on the b/print-ns defmacro
(ns a)
(c/print-ns)
;;=> prints [:c #<Namespace a>]
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