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0001 <Comment>// Vala Sample File</Comment><br/>
0002 <Normal Text></Normal Text><br/>
0003 <Comment>/*</Comment><br/>
0004 <Comment> * Multiline comment</Comment><br/>
0005 <Comment> * </Comment><Alert Level 3>NOTE</Alert Level 3><Comment> </Comment><Alert Level 2>FIXME</Alert Level 2><Comment> </Comment><Alert Level 1>ALERT</Alert Level 1><br/>
0006 <Comment> */</Comment><br/>
0007 <Data Type>void</Data Type><Normal Text> main</Normal Text><Symbol>()</Symbol><Normal Text> </Normal Text><Symbol>{</Symbol><br/>
0008 <Normal Text> print</Normal Text><Symbol>(</Symbol><String>"Hello World</String><String Char>\n</String Char><String>"</String><Symbol>);</Symbol><br/>
0009 <Symbol>}</Symbol><br/>
0010 <Normal Text></Normal Text><br/>
0011 <Comment>// Example 1</Comment><br/>
0012 <Keyword>class</Keyword><Normal Text> Sample</Normal Text><Symbol>:</Symbol><Normal Text> Object </Normal Text><Symbol>{</Symbol><br/>
0013 <Normal Text> </Normal Text><Data Type>void</Data Type><Normal Text> greeting</Normal Text><Symbol>()</Symbol><Normal Text> </Normal Text><Symbol>{</Symbol><br/>
0014 <Normal Text> stdout</Normal Text><Symbol>.</Symbol><Normal Text>printf</Normal Text><Symbol>(</Symbol><String>"Hello World</String><String Char>\n</String Char><String>"</String><Symbol>);</Symbol><br/>
0015 <Normal Text> </Normal Text><Symbol>}</Symbol><br/>
0016 <Normal Text></Normal Text><br/>
0017 <Normal Text> </Normal Text><Keyword>static</Keyword><Normal Text> </Normal Text><Data Type>void</Data Type><Normal Text> main</Normal Text><Symbol>(</Symbol><Data Type>string</Data Type><Symbol>[]</Symbol><Normal Text> args</Normal Text><Symbol>)</Symbol><Normal Text> </Normal Text><Symbol>{</Symbol><br/>
0018 <Normal Text> </Normal Text><Data Type>var</Data Type><Normal Text> sample </Normal Text><Symbol>=</Symbol><Normal Text> </Normal Text><Keyword>new</Keyword><Normal Text> Sample</Normal Text><Symbol>();</Symbol><br/>
0019 <Normal Text> sample</Normal Text><Symbol>.</Symbol><Normal Text>greeting</Normal Text><Symbol>();</Symbol><br/>
0020 <Normal Text> </Normal Text><Symbol>}</Symbol><br/>
0021 <Symbol>}</Symbol><br/>
0022 <Normal Text></Normal Text><br/>
0023 <Comment>// Example 2</Comment><br/>
0024 <Keyword>using</Keyword><Normal Text> GLib</Normal Text><Symbol>;</Symbol><br/>
0025 <Normal Text></Normal Text><br/>
0026 <Keyword>interface</Keyword><Normal Text> Printable </Normal Text><Symbol>{</Symbol><br/>
0027 <Normal Text> </Normal Text><Keyword>public</Keyword><Normal Text> </Normal Text><Keyword>abstract</Keyword><Normal Text> </Normal Text><Data Type>string</Data Type><Normal Text> print</Normal Text><Symbol>();</Symbol><br/>
0028 <Normal Text></Normal Text><br/>
0029 <Normal Text> </Normal Text><Keyword>public</Keyword><Normal Text> </Normal Text><Keyword>virtual</Keyword><Normal Text> </Normal Text><Data Type>string</Data Type><Normal Text> pretty_print</Normal Text><Symbol>()</Symbol><Normal Text> </Normal Text><Symbol>{</Symbol><br/>
0030 <Normal Text> </Normal Text><Keyword>return</Keyword><Normal Text> </Normal Text><String>"Please "</String><Normal Text> </Normal Text><Symbol>+</Symbol><Normal Text> print</Normal Text><Symbol>();</Symbol><br/>
0031 <Normal Text> </Normal Text><Symbol>}</Symbol><br/>
0032 <Symbol>}</Symbol><br/>
0033 <Normal Text></Normal Text><br/>
0034 <Keyword>class</Keyword><Normal Text> NormalPrint</Normal Text><Symbol>:</Symbol><Normal Text> Object</Normal Text><Symbol>,</Symbol><Normal Text> Printable </Normal Text><Symbol>{</Symbol><br/>
0035 <Normal Text> </Normal Text><Data Type>string</Data Type><Normal Text> print</Normal Text><Symbol>()</Symbol><Normal Text> </Normal Text><Symbol>{</Symbol><br/>
0036 <Normal Text> </Normal Text><Keyword>return</Keyword><Normal Text> </Normal Text><String>"don't forget about me"</String><Symbol>;</Symbol><br/>
0037 <Normal Text> </Normal Text><Symbol>}</Symbol><br/>
0038 <Symbol>}</Symbol><br/>
0039 <Normal Text></Normal Text><br/>
0040 <Keyword>class</Keyword><Normal Text> OverridePrint</Normal Text><Symbol>:</Symbol><Normal Text> Object</Normal Text><Symbol>,</Symbol><Normal Text> Printable </Normal Text><Symbol>{</Symbol><br/>
0041 <Normal Text> </Normal Text><Data Type>string</Data Type><Normal Text> print</Normal Text><Symbol>()</Symbol><Normal Text> </Normal Text><Symbol>{</Symbol><br/>
0042 <Normal Text> </Normal Text><Keyword>return</Keyword><Normal Text> </Normal Text><String>"Mind the gap"</String><Symbol>;</Symbol><br/>
0043 <Normal Text> </Normal Text><Symbol>}</Symbol><br/>
0044 <Normal Text></Normal Text><br/>
0045 <Normal Text> </Normal Text><Keyword>public</Keyword><Normal Text> </Normal Text><Keyword>override</Keyword><Normal Text> </Normal Text><Data Type>string</Data Type><Normal Text> pretty_print</Normal Text><Symbol>()</Symbol><Normal Text> </Normal Text><Symbol>{</Symbol><br/>
0046 <Normal Text> </Normal Text><Keyword>return</Keyword><Normal Text> </Normal Text><String>"Override"</String><Symbol>;</Symbol><br/>
0047 <Normal Text> </Normal Text><Symbol>}</Symbol><br/>
0048 <Symbol>}</Symbol><br/>
0049 <Normal Text></Normal Text><br/>
0050 <Data Type>void</Data Type><Normal Text> main</Normal Text><Symbol>(</Symbol><Data Type>string</Data Type><Symbol>[]</Symbol><Normal Text> args</Normal Text><Symbol>)</Symbol><Normal Text> </Normal Text><Symbol>{</Symbol><br/>
0051 <Normal Text> </Normal Text><Data Type>var</Data Type><Normal Text> normal </Normal Text><Symbol>=</Symbol><Normal Text> </Normal Text><Keyword>new</Keyword><Normal Text> NormalPrint</Normal Text><Symbol>();</Symbol><br/>
0052 <Normal Text> </Normal Text><Data Type>var</Data Type><Normal Text> overridden </Normal Text><Symbol>=</Symbol><Normal Text> </Normal Text><Keyword>new</Keyword><Normal Text> OverridePrint</Normal Text><Symbol>();</Symbol><br/>
0053 <Normal Text></Normal Text><br/>
0054 <Normal Text> print</Normal Text><Symbol>(</Symbol><Normal Text>normal</Normal Text><Symbol>.</Symbol><Normal Text>pretty_print</Normal Text><Symbol>());</Symbol><br/>
0055 <Normal Text> print</Normal Text><Symbol>(</Symbol><Normal Text>overridden</Normal Text><Symbol>.</Symbol><Normal Text>pretty_print</Normal Text><Symbol>());</Symbol><br/>
0056 <Symbol>}</Symbol><br/>
0057 <Normal Text></Normal Text><br/>
0058 <Comment>// Example 3</Comment><br/>
0059 <Keyword>using</Keyword><Normal Text> Gtk</Normal Text><Symbol>;</Symbol><br/>
0060 <Normal Text></Normal Text><br/>
0061 <Data Type>int</Data Type><Normal Text> main</Normal Text><Symbol>(</Symbol><Data Type>string</Data Type><Symbol>[]</Symbol><Normal Text> args</Normal Text><Symbol>)</Symbol><Normal Text> </Normal Text><Symbol>{</Symbol><br/>
0062 <Normal Text> Gtk</Normal Text><Symbol>.</Symbol><Normal Text>init</Normal Text><Symbol>(</Symbol><Keyword>ref</Keyword><Normal Text> args</Normal Text><Symbol>);</Symbol><br/>
0063 <Normal Text></Normal Text><br/>
0064 <Normal Text> </Normal Text><Data Type>var</Data Type><Normal Text> window </Normal Text><Symbol>=</Symbol><Normal Text> </Normal Text><Keyword>new</Keyword><Normal Text> Window</Normal Text><Symbol>();</Symbol><br/>
0065 <Normal Text> window</Normal Text><Symbol>.</Symbol><Normal Text>title </Normal Text><Symbol>=</Symbol><Normal Text> </Normal Text><String>"Hello, World!"</String><Symbol>;</Symbol><br/>
0066 <Normal Text> window</Normal Text><Symbol>.</Symbol><Normal Text>border_width </Normal Text><Symbol>=</Symbol><Normal Text> </Normal Text><Decimal>10</Decimal><Symbol>;</Symbol><br/>
0067 <Normal Text> window</Normal Text><Symbol>.</Symbol><Normal Text>window_position </Normal Text><Symbol>=</Symbol><Normal Text> WindowPosition</Normal Text><Symbol>.</Symbol><Normal Text>CENTER</Normal Text><Symbol>;</Symbol><br/>
0068 <Normal Text> window</Normal Text><Symbol>.</Symbol><Normal Text>set_default_size</Normal Text><Symbol>(</Symbol><Decimal>350</Decimal><Symbol>,</Symbol><Normal Text> </Normal Text><Decimal>70</Decimal><Symbol>);</Symbol><br/>
0069 <Normal Text> window</Normal Text><Symbol>.</Symbol><Normal Text>destroy</Normal Text><Symbol>.</Symbol><Extensions>connect</Extensions><Symbol>(</Symbol><Normal Text>Gtk</Normal Text><Symbol>.</Symbol><Normal Text>main_quit</Normal Text><Symbol>);</Symbol><br/>
0070 <Normal Text></Normal Text><br/>
0071 <Normal Text> </Normal Text><Data Type>var</Data Type><Normal Text> label </Normal Text><Symbol>=</Symbol><Normal Text> </Normal Text><Keyword>new</Keyword><Normal Text> Label</Normal Text><Symbol>(</Symbol><String>"Hello, World!"</String><Symbol>);</Symbol><br/>
0072 <Normal Text></Normal Text><br/>
0073 <Normal Text> window</Normal Text><Symbol>.</Symbol><Normal Text>add</Normal Text><Symbol>(</Symbol><Normal Text>label</Normal Text><Symbol>);</Symbol><br/>
0074 <Normal Text> window</Normal Text><Symbol>.</Symbol><Normal Text>show_all</Normal Text><Symbol>();</Symbol><br/>
0075 <Normal Text></Normal Text><br/>
0076 <Normal Text> Gtk</Normal Text><Symbol>.</Symbol><Normal Text>main</Normal Text><Symbol>();</Symbol><br/>
0077 <Normal Text> </Normal Text><Keyword>return</Keyword><Normal Text> </Normal Text><Decimal>0</Decimal><Symbol>;</Symbol><br/>
0078 <Symbol>}</Symbol><br/>