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Due to historical reasons, the code is in subfolder "1". With SVN removal, we place the code back and remove the annoying "1" folder.
89 lines
2.4 KiB
HTML
89 lines
2.4 KiB
HTML
<!doctype html>
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<title>CodeMirror: Clojure mode</title>
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<meta charset="utf-8"/>
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<link rel=stylesheet href="../../doc/docs.css">
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<link rel="stylesheet" href="../../lib/codemirror.css">
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<script src="../../lib/codemirror.js"></script>
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<script src="clojure.js"></script>
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<style>.CodeMirror {background: #f8f8f8;}</style>
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<div id=nav>
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<a href="http://codemirror.net"><img id=logo src="../../doc/logo.png"></a>
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<ul>
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<li><a href="../../index.html">Home</a>
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<li><a href="../../doc/manual.html">Manual</a>
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<li><a href="https://github.com/marijnh/codemirror">Code</a>
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</ul>
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<ul>
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<li><a href="../index.html">Language modes</a>
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<li><a class=active href="#">Clojure</a>
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</ul>
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</div>
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<article>
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<h2>Clojure mode</h2>
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<form><textarea id="code" name="code">
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; Conway's Game of Life, based on the work of:
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;; Laurent Petit https://gist.github.com/1200343
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;; Christophe Grand http://clj-me.cgrand.net/2011/08/19/conways-game-of-life
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(ns ^{:doc "Conway's Game of Life."}
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game-of-life)
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;; Core game of life's algorithm functions
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(defn neighbours
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"Given a cell's coordinates, returns the coordinates of its neighbours."
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[[x y]]
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(for [dx [-1 0 1] dy (if (zero? dx) [-1 1] [-1 0 1])]
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[(+ dx x) (+ dy y)]))
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(defn step
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"Given a set of living cells, computes the new set of living cells."
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[cells]
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(set (for [[cell n] (frequencies (mapcat neighbours cells))
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:when (or (= n 3) (and (= n 2) (cells cell)))]
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cell)))
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;; Utility methods for displaying game on a text terminal
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(defn print-board
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"Prints a board on *out*, representing a step in the game."
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[board w h]
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(doseq [x (range (inc w)) y (range (inc h))]
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(if (= y 0) (print "\n"))
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(print (if (board [x y]) "[X]" " . "))))
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(defn display-grids
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"Prints a squence of boards on *out*, representing several steps."
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[grids w h]
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(doseq [board grids]
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(print-board board w h)
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(print "\n")))
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;; Launches an example board
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(def
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^{:doc "board represents the initial set of living cells"}
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board #{[2 1] [2 2] [2 3]})
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(display-grids (take 3 (iterate step board)) 5 5)
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;; Let's play with characters
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(println \1 \a \# \\
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\" \( \newline
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\} \" \space
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\tab \return \backspace
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\u1000 \uAaAa \u9F9F)
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</textarea></form>
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<script>
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var editor = CodeMirror.fromTextArea(document.getElementById("code"), {});
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</script>
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<p><strong>MIME types defined:</strong> <code>text/x-clojure</code>.</p>
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</article>
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