index.html
66 lines
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HtmlLexer
Matthias BUSSONNIER
|
r8053 | <!doctype html> | ||
| <html> | ||||
| <head> | ||||
| <title>CodeMirror: Clojure mode</title> | ||||
| <link rel="stylesheet" href="../../lib/codemirror.css"> | ||||
| <script src="../../lib/codemirror.js"></script> | ||||
| <script src="clojure.js"></script> | ||||
| <style>.CodeMirror {background: #f8f8f8;}</style> | ||||
| <link rel="stylesheet" href="../../doc/docs.css"> | ||||
| </head> | ||||
| <body> | ||||
| <h1>CodeMirror: Clojure mode</h1> | ||||
| <form><textarea id="code" name="code"> | ||||
| ; Conway's Game of Life, based on the work of: | ||||
| ;; Laurent Petit https://gist.github.com/1200343 | ||||
| ;; Christophe Grand http://clj-me.cgrand.net/2011/08/19/conways-game-of-life | ||||
| (ns ^{:doc "Conway's Game of Life."} | ||||
| game-of-life) | ||||
| ;; Core game of life's algorithm functions | ||||
| (defn neighbours | ||||
| "Given a cell's coordinates, returns the coordinates of its neighbours." | ||||
| [[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 neighbours cells)) | ||||
| :when (or (= n 3) (and (= n 2) (cells cell)))] | ||||
| cell))) | ||||
| ;; Utility methods for displaying game on a text terminal | ||||
| (defn print-board | ||||
| "Prints a board on *out*, representing a step in the game." | ||||
| [board w h] | ||||
| (doseq [x (range (inc w)) y (range (inc h))] | ||||
| (if (= y 0) (print "\n")) | ||||
| (print (if (board [x y]) "[X]" " . ")))) | ||||
| (defn display-grids | ||||
| "Prints a squence of boards on *out*, representing several steps." | ||||
| [grids w h] | ||||
| (doseq [board grids] | ||||
| (print-board board w h) | ||||
| (print "\n"))) | ||||
| ;; Launches an example board | ||||
| (def | ||||
| ^{:doc "board represents the initial set of living cells"} | ||||
| board #{[2 1] [2 2] [2 3]}) | ||||
| (display-grids (take 3 (iterate step board)) 5 5) </textarea></form> | ||||
| <script> | ||||
| var editor = CodeMirror.fromTextArea(document.getElementById("code"), {}); | ||||
| </script> | ||||
| <p><strong>MIME types defined:</strong> <code>text/x-clojure</code>.</p> | ||||
| </body> | ||||
| </html> | ||||