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| <title>CodeMirror: Dart mode</title> | |
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| <script src="../../lib/codemirror.js"></script> | |
| <script src="../clike/clike.js"></script> | |
| <script src="dart.js"></script> | |
| <style>.CodeMirror {border: 1px solid #dee;}</style> | |
| <div id=nav> | |
| <a href="http://codemirror.net"><h1>CodeMirror</h1><img id=logo src="../../doc/logo.png"></a> | |
| <ul> | |
| <li><a href="../../index.html">Home</a> | |
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| <ul> | |
| <li><a href="../index.html">Language modes</a> | |
| <li><a class=active href="#">Dart</a> | |
| </ul> | |
| </div> | |
| <article> | |
| <h2>Dart mode</h2> | |
| <form> | |
| <textarea id="code" name="code"> | |
| import 'dart:math' show Random; | |
| void main() { | |
| print(new Die(n: 12).roll()); | |
| } | |
| // Define a class. | |
| class Die { | |
| // Define a class variable. | |
| static Random shaker = new Random(); | |
| // Define instance variables. | |
| int sides, value; | |
| // Define a method using shorthand syntax. | |
| String toString() => '$value'; | |
| // Define a constructor. | |
| Die({int n: 6}) { | |
| if (4 <= n && n <= 20) { | |
| sides = n; | |
| } else { | |
| // Support for errors and exceptions. | |
| throw new ArgumentError(/* */); | |
| } | |
| } | |
| // Define an instance method. | |
| int roll() { | |
| return value = shaker.nextInt(sides) + 1; | |
| } | |
| } | |
| </textarea> | |
| </form> | |
| <script> | |
| var editor = CodeMirror.fromTextArea(document.getElementById("code"), { | |
| lineNumbers: true, | |
| mode: "application/dart" | |
| }); | |
| </script> | |
| </article> | |