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A Clojure library providing the syntax-quote (aka quasiquote) reader macro as a normal macro.


Clojure's backtick ` reader macro, called syntax-quote, complects the templating of Clojure forms with Clojure's namespaced symbol resolution.

Backtick allows you to use the unquote ~ and unquote-splicing ~@ metacharacters for templating forms with or without a custom symbol resolver.

Lots more background at


(use 'backtick)

;; Full syntax-quote replacement
(let [x 5 v [:a :b]]
  (syntax-quote {:x ~x, s #{~@v "c" inc}}))

;; Returns:
{:x 5, user/s #{"c" clojure.core/inc :a :b}}

;; Templating only, no symbol resolution
(let [x 5 v [:a :b]]
  (template {:x ~x, s #{~@v "c" inc}}))

;; Returns:
{s #{"c" :a :b inc}, :x 5}

Note that while template does not resolve symbols, it does support gensyms:

(template [x# x# y#])

;; Returns something like:
[x__auto__990 x__auto__990 y__auto__991]

You can create a templating macro with a custom resolver by using defquote:

(defquote shout-quote (comp symbol clojure.string/upper-case))

(shout-quote {:foo bar})

;; Returns:
{:foo BAR}

Corresponding functions are generated for every quoting macro:

(syntax-quote-fn 'foo) ;; => (quote user/foo)
(template-fn 'foo)     ;; => (quote foo)
(shout-quote-fn 'foo)  ;; => (quote FOO)


Copyright © 2012 Brandon Bloom

Distributed under the Eclipse Public License, the same as Clojure.

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