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0001 <!DOCTYPE html> 0002 <html><head> 0003 <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/> 0004 <title>highlight.vala</title> 0005 <meta name="generator" content="KF5::SyntaxHighlighting - Definition (Vala) - Theme (Breeze Dark)"/> 0006 </head><body style="background-color:#232629;color:#cfcfc2"><pre> 0007 <span style="color:#7a7c7d">// Vala Sample File</span> 0008 0009 <span style="color:#7a7c7d">/*</span> 0010 <span style="color:#7a7c7d"> * Multiline comment</span> 0011 <span style="color:#7a7c7d"> * </span><span style="color:#81ca2d;background-color:#4d1f24;font-weight:bold">NOTE</span><span style="color:#7a7c7d"> </span><span style="color:#ca9219;background-color:#451e1a;font-weight:bold">FIXME</span><span style="color:#7a7c7d"> </span><span style="color:#e85848;background-color:#451e1a;font-weight:bold">ALERT</span> 0012 <span style="color:#7a7c7d"> */</span> 0013 <span style="color:#2980b9">void</span> main<span style="color:#3f8058">()</span> <span style="color:#3f8058">{</span> 0014 print<span style="color:#3f8058">(</span><span style="color:#f44f4f">"Hello World</span><span style="color:#3daee9">\n</span><span style="color:#f44f4f">"</span><span style="color:#3f8058">);</span> 0015 <span style="color:#3f8058">}</span> 0016 0017 <span style="color:#7a7c7d">// Example 1</span> 0018 <span style="font-weight:bold">class</span> Sample<span style="color:#3f8058">:</span> Object <span style="color:#3f8058">{</span> 0019 <span style="color:#2980b9">void</span> greeting<span style="color:#3f8058">()</span> <span style="color:#3f8058">{</span> 0020 stdout<span style="color:#3f8058">.</span>printf<span style="color:#3f8058">(</span><span style="color:#f44f4f">"Hello World</span><span style="color:#3daee9">\n</span><span style="color:#f44f4f">"</span><span style="color:#3f8058">);</span> 0021 <span style="color:#3f8058">}</span> 0022 0023 <span style="font-weight:bold">static</span> <span style="color:#2980b9">void</span> main<span style="color:#3f8058">(</span><span style="color:#2980b9">string</span><span style="color:#3f8058">[]</span> args<span style="color:#3f8058">)</span> <span style="color:#3f8058">{</span> 0024 <span style="color:#2980b9">var</span> sample <span style="color:#3f8058">=</span> <span style="font-weight:bold">new</span> Sample<span style="color:#3f8058">();</span> 0025 sample<span style="color:#3f8058">.</span>greeting<span style="color:#3f8058">();</span> 0026 <span style="color:#3f8058">}</span> 0027 <span style="color:#3f8058">}</span> 0028 0029 <span style="color:#7a7c7d">// Example 2</span> 0030 <span style="font-weight:bold">using</span> GLib<span style="color:#3f8058">;</span> 0031 0032 <span style="font-weight:bold">interface</span> Printable <span style="color:#3f8058">{</span> 0033 <span style="font-weight:bold">public</span> <span style="font-weight:bold">abstract</span> <span style="color:#2980b9">string</span> print<span style="color:#3f8058">();</span> 0034 0035 <span style="font-weight:bold">public</span> <span style="font-weight:bold">virtual</span> <span style="color:#2980b9">string</span> pretty_print<span style="color:#3f8058">()</span> <span style="color:#3f8058">{</span> 0036 <span style="font-weight:bold">return</span> <span style="color:#f44f4f">"Please "</span> <span style="color:#3f8058">+</span> print<span style="color:#3f8058">();</span> 0037 <span style="color:#3f8058">}</span> 0038 <span style="color:#3f8058">}</span> 0039 0040 <span style="font-weight:bold">class</span> NormalPrint<span style="color:#3f8058">:</span> Object<span style="color:#3f8058">,</span> Printable <span style="color:#3f8058">{</span> 0041 <span style="color:#2980b9">string</span> print<span style="color:#3f8058">()</span> <span style="color:#3f8058">{</span> 0042 <span style="font-weight:bold">return</span> <span style="color:#f44f4f">"don't forget about me"</span><span style="color:#3f8058">;</span> 0043 <span style="color:#3f8058">}</span> 0044 <span style="color:#3f8058">}</span> 0045 0046 <span style="font-weight:bold">class</span> OverridePrint<span style="color:#3f8058">:</span> Object<span style="color:#3f8058">,</span> Printable <span style="color:#3f8058">{</span> 0047 <span style="color:#2980b9">string</span> print<span style="color:#3f8058">()</span> <span style="color:#3f8058">{</span> 0048 <span style="font-weight:bold">return</span> <span style="color:#f44f4f">"Mind the gap"</span><span style="color:#3f8058">;</span> 0049 <span style="color:#3f8058">}</span> 0050 0051 <span style="font-weight:bold">public</span> <span style="font-weight:bold">override</span> <span style="color:#2980b9">string</span> pretty_print<span style="color:#3f8058">()</span> <span style="color:#3f8058">{</span> 0052 <span style="font-weight:bold">return</span> <span style="color:#f44f4f">"Override"</span><span style="color:#3f8058">;</span> 0053 <span style="color:#3f8058">}</span> 0054 <span style="color:#3f8058">}</span> 0055 0056 <span style="color:#2980b9">void</span> main<span style="color:#3f8058">(</span><span style="color:#2980b9">string</span><span style="color:#3f8058">[]</span> args<span style="color:#3f8058">)</span> <span style="color:#3f8058">{</span> 0057 <span style="color:#2980b9">var</span> normal <span style="color:#3f8058">=</span> <span style="font-weight:bold">new</span> NormalPrint<span style="color:#3f8058">();</span> 0058 <span style="color:#2980b9">var</span> overridden <span style="color:#3f8058">=</span> <span style="font-weight:bold">new</span> OverridePrint<span style="color:#3f8058">();</span> 0059 0060 print<span style="color:#3f8058">(</span>normal<span style="color:#3f8058">.</span>pretty_print<span style="color:#3f8058">());</span> 0061 print<span style="color:#3f8058">(</span>overridden<span style="color:#3f8058">.</span>pretty_print<span style="color:#3f8058">());</span> 0062 <span style="color:#3f8058">}</span> 0063 0064 <span style="color:#7a7c7d">// Example 3</span> 0065 <span style="font-weight:bold">using</span> Gtk<span style="color:#3f8058">;</span> 0066 0067 <span style="color:#2980b9">int</span> main<span style="color:#3f8058">(</span><span style="color:#2980b9">string</span><span style="color:#3f8058">[]</span> args<span style="color:#3f8058">)</span> <span style="color:#3f8058">{</span> 0068 Gtk<span style="color:#3f8058">.</span>init<span style="color:#3f8058">(</span><span style="font-weight:bold">ref</span> args<span style="color:#3f8058">);</span> 0069 0070 <span style="color:#2980b9">var</span> window <span style="color:#3f8058">=</span> <span style="font-weight:bold">new</span> Window<span style="color:#3f8058">();</span> 0071 window<span style="color:#3f8058">.</span>title <span style="color:#3f8058">=</span> <span style="color:#f44f4f">"Hello, World!"</span><span style="color:#3f8058">;</span> 0072 window<span style="color:#3f8058">.</span>border_width <span style="color:#3f8058">=</span> <span style="color:#f67400">10</span><span style="color:#3f8058">;</span> 0073 window<span style="color:#3f8058">.</span>window_position <span style="color:#3f8058">=</span> WindowPosition<span style="color:#3f8058">.</span>CENTER<span style="color:#3f8058">;</span> 0074 window<span style="color:#3f8058">.</span>set_default_size<span style="color:#3f8058">(</span><span style="color:#f67400">350</span><span style="color:#3f8058">,</span> <span style="color:#f67400">70</span><span style="color:#3f8058">);</span> 0075 window<span style="color:#3f8058">.</span>destroy<span style="color:#3f8058">.</span><span style="color:#0099ff;font-weight:bold">connect</span><span style="color:#3f8058">(</span>Gtk<span style="color:#3f8058">.</span>main_quit<span style="color:#3f8058">);</span> 0076 0077 <span style="color:#2980b9">var</span> label <span style="color:#3f8058">=</span> <span style="font-weight:bold">new</span> Label<span style="color:#3f8058">(</span><span style="color:#f44f4f">"Hello, World!"</span><span style="color:#3f8058">);</span> 0078 0079 window<span style="color:#3f8058">.</span>add<span style="color:#3f8058">(</span>label<span style="color:#3f8058">);</span> 0080 window<span style="color:#3f8058">.</span>show_all<span style="color:#3f8058">();</span> 0081 0082 Gtk<span style="color:#3f8058">.</span>main<span style="color:#3f8058">();</span> 0083 <span style="font-weight:bold">return</span> <span style="color:#f67400">0</span><span style="color:#3f8058">;</span> 0084 <span style="color:#3f8058">}</span> 0085 </pre></body></html>