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Diffstat (limited to 'src/clojure/contrib/template.clj')
-rw-r--r-- | src/clojure/contrib/template.clj | 55 |
1 files changed, 0 insertions, 55 deletions
diff --git a/src/clojure/contrib/template.clj b/src/clojure/contrib/template.clj deleted file mode 100644 index 748ad4a4..00000000 --- a/src/clojure/contrib/template.clj +++ /dev/null @@ -1,55 +0,0 @@ -;;; template.clj - anonymous functions that pre-evaluate sub-expressions - -;; By Stuart Sierra, http://stuartsierra.com/ -;; June 23, 2009 - -;; Copyright (c) Stuart Sierra, 2009. 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. - -;; CHANGE LOG -;; -;; June 23, 2009: complete rewrite, eliminated _1,_2,... argument -;; syntax -;; -;; January 20, 2009: added "template?" and checks for valid template -;; expressions. -;; -;; December 15, 2008: first version - - -(ns #^{:author "Stuart Sierra" - :doc "Macros that expand to repeated copies of a template expression."} - clojure.contrib.template - (:require [clojure.contrib.walk :as walk])) - -(defn apply-template - "For use in macros. argv is an argument list, as in defn. expr is - a quoted expression using the symbols in argv. values is a sequence - of values to be used for the arguments. - - apply-template will recursively replace argument symbols in expr - with their corresponding values, returning a modified expr. - - Example: (apply-template '[x] '(+ x x) '[2]) - ;=> (+ 2 2)" - [argv expr values] - (assert (vector? argv)) - (assert (every? symbol? argv)) - (walk/prewalk-replace (zipmap argv values) expr)) - -(defmacro do-template - "Repeatedly copies expr (in a do block) for each group of arguments - in values. values are automatically partitioned by the number of - arguments in argv, an argument vector as in defn. - - Example: (macroexpand '(do-template [x y] (+ y x) 2 4 3 5)) - ;=> (do (+ 4 2) (+ 5 3))" - [argv expr & values] - (let [c (count argv)] - `(do ~@(map (fn [a] (apply-template argv expr a)) - (partition c values))))) |