comparison .cms/lib/codemirror/mode/clojure/index.html @ 0:78edf6b517a0 draft

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date Fri, 11 Oct 2024 22:40:23 +0000
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1 <!doctype html>
2
3 <title>CodeMirror: Clojure mode</title>
4 <meta charset="utf-8"/>
5 <link rel=stylesheet href="../../doc/docs.css">
6
7 <link rel="stylesheet" href="../../lib/codemirror.css">
8 <script src="../../lib/codemirror.js"></script>
9 <script src="../../addon/edit/closebrackets.js"></script>
10 <script src="../../addon/edit/matchbrackets.js"></script>
11 <script src="clojure.js"></script>
12 <style>.CodeMirror {background: #f8f8f8;}</style>
13 <div id=nav>
14 <a href="https://codemirror.net/5"><h1>CodeMirror</h1><img id=logo src="../../doc/logo.png" alt=""></a>
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21 <ul>
22 <li><a href="../index.html">Language modes</a>
23 <li><a class=active href="#">Clojure</a>
24 </ul>
25 </div>
26
27 <article>
28 <h2>Clojure mode</h2>
29 <form><textarea id="code" name="code">
30 (ns game-of-life
31 "Conway's Game of Life, based on the work of
32 Christophe Grand (http://clj-me.cgrand.net/2011/08/19/conways-game-of-life)
33 and Laurent Petit (https://gist.github.com/1200343).")
34
35 ;;; Core game of life's algorithm functions
36
37 (defn neighbors
38 "Given a cell's coordinates `[x y]`, returns the coordinates of its
39 neighbors."
40 [[x y]]
41 (for [dx [-1 0 1]
42 dy (if (zero? dx)
43 [-1 1]
44 [-1 0 1])]
45 [(+ dx x) (+ dy y)]))
46
47 (defn step
48 "Given a set of living `cells`, computes the new set of living cells."
49 [cells]
50 (set (for [[cell n] (frequencies (mapcat neighbors cells))
51 :when (or (= n 3)
52 (and (= n 2)
53 (cells cell)))]
54 cell)))
55
56 ;;; Utility methods for displaying game on a text terminal
57
58 (defn print-grid
59 "Prints a `grid` of `w` columns and `h` rows, on *out*, representing a
60 step in the game."
61 [grid w h]
62 (doseq [x (range (inc w))
63 y (range (inc h))]
64 (when (= y 0) (println))
65 (print (if (grid [x y])
66 "[X]"
67 " . "))))
68
69 (defn print-grids
70 "Prints a sequence of `grids` of `w` columns and `h` rows on *out*,
71 representing several steps."
72 [grids w h]
73 (doseq [grid grids]
74 (print-grid grid w h)
75 (println)))
76
77 ;;; Launches an example grid
78
79 (def grid
80 "`grid` represents the initial set of living cells"
81 #{[2 1] [2 2] [2 3]})
82
83 (print-grids (take 3 (iterate step grid)) 5 5)</textarea></form>
84 <script>
85 var editor = CodeMirror.fromTextArea(document.getElementById("code"), {
86 autoCloseBrackets: true,
87 lineNumbers: true,
88 matchBrackets: true,
89 mode: 'text/x-clojure'
90 });
91 </script>
92
93 <p><strong>MIME types defined:</strong> <code>text/x-clojure</code>.</p>
94
95 </article>