You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
|
|
<!doctype html>
<title>CodeMirror: Clojure mode</title><meta charset="utf-8"/><link rel=stylesheet href="../../doc/docs.css">
<link rel="stylesheet" href="../../lib/codemirror.css"><script src="../../lib/codemirror.js"></script><script src="../../addon/edit/closebrackets.js"></script><script src="../../addon/edit/matchbrackets.js"></script><script src="clojure.js"></script><style>.CodeMirror {background: #f8f8f8;}</style><div id=nav> <a href="https://codemirror.net/5"><h1>CodeMirror</h1><img id=logo src="../../doc/logo.png" alt=""></a>
<ul> <li><a href="../../index.html">Home</a> <li><a href="../../doc/manual.html">Manual</a> <li><a href="https://github.com/codemirror/codemirror5">Code</a> </ul> <ul> <li><a href="../index.html">Language modes</a> <li><a class=active href="#">Clojure</a> </ul></div>
<article><h2>Clojure mode</h2><form><textarea id="code" name="code">(ns game-of-life "Conway's Game of Life, based on the work of Christophe Grand (http://clj-me.cgrand.net/2011/08/19/conways-game-of-life) and Laurent Petit (https://gist.github.com/1200343).")
;;; Core game of life's algorithm functions
(defn neighbors "Given a cell's coordinates `[x y]`, returns the coordinates of its neighbors." [[x y]] (for [dx [-1 0 1] dy (if (zero? dx) [-1 1] [-1 0 1])] [(+ dx x) (+ dy y)]))
(defn step "Given a set of living `cells`, computes the new set of living cells." [cells] (set (for [[cell n] (frequencies (mapcat neighbors cells)) :when (or (= n 3) (and (= n 2) (cells cell)))] cell)))
;;; Utility methods for displaying game on a text terminal
(defn print-grid "Prints a `grid` of `w` columns and `h` rows, on *out*, representing a step in the game." [grid w h] (doseq [x (range (inc w)) y (range (inc h))] (when (= y 0) (println)) (print (if (grid [x y]) "[X]" " . "))))
(defn print-grids "Prints a sequence of `grids` of `w` columns and `h` rows on *out*, representing several steps." [grids w h] (doseq [grid grids] (print-grid grid w h) (println)))
;;; Launches an example grid
(def grid "`grid` represents the initial set of living cells" #{[2 1] [2 2] [2 3]})
(print-grids (take 3 (iterate step grid)) 5 5)</textarea></form> <script> var editor = CodeMirror.fromTextArea(document.getElementById("code"), { autoCloseBrackets: true, lineNumbers: true, matchBrackets: true, mode: 'text/x-clojure' }); </script>
<p><strong>MIME types defined:</strong> <code>text/x-clojure</code>.</p>
</article>
|
