72 lines
1.6 KiB
HTML
72 lines
1.6 KiB
HTML
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<!doctype html>
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<title>CodeMirror: Dart 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="../clike/clike.js"></script>
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<script src="dart.js"></script>
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<style>.CodeMirror {border: 1px solid #dee;}</style>
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<div id=nav>
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<a href="https://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="../../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/codemirror/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="#">Dart</a>
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</ul>
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</div>
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<article>
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<h2>Dart mode</h2>
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<form>
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<textarea id="code" name="code">
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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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<script>
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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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