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<!doctype html>

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<title>CodeMirror: Dart mode</title>

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<a href="http://codemirror.net"><h1>CodeMirror</h1><img id=logo src="../../doc/logo.png"></a>

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<ul>

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<li><a href="../../doc/manual.html">Manual</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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</ul>

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</div>

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<form>

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import 'dart:math' show Random;

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void main() {

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print(new Die(n: 12).roll());

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}

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// Define a class.

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class Die {

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// Define a class variable.

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static Random shaker = new Random();

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// Define instance variables.

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int sides, value;

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// Define a method using shorthand syntax.

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String toString() => '$value';

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// Define a constructor.

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Die({int n: 6}) {

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if (4 <= n && n <= 20) {

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sides = n;

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} else {

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// Support for errors and exceptions.

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throw new ArgumentError(/* */);

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}

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}

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// Define an instance method.

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int roll() {

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return value = shaker.nextInt(sides) + 1;

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}

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}

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</textarea>

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</form>

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var editor = CodeMirror.fromTextArea(document.getElementById("code"), {

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lineNumbers: true,

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mode: "application/dart"

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});

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</script>

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</article>

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