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| author | Franklin Schmidt <fschmidt@gmail.com> |
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| date | Sun, 15 Sep 2024 10:36:46 -0600 |
| parents | 540bf2343078 |
| children |
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| 1826:3cd1d267508c | 1827:50e570b598b2 |
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| 43 <h1><a href="manual.html">Luan Reference Manual</a></h1> | 43 <h1><a href="manual.html">Luan Reference Manual</a></h1> |
| 44 | 44 |
| 45 <p small> | 45 <p small> |
| 46 Original copyright © 2015 Lua.org, PUC-Rio. | 46 Original copyright © 2015 Lua.org, PUC-Rio. |
| 47 Freely available under the terms of the | 47 Freely available under the terms of the |
| 48 <a href="http://www.lua.org/license.html">Lua license</a>. | 48 <a href="https://www.lua.org/license.html">Lua license</a>. |
| 49 Modified for Luan. | 49 Modified for Luan. |
| 50 </p> | 50 </p> |
| 51 | 51 |
| 52 <hr/> | 52 <hr/> |
| 53 | 53 |
| 121 <hr/> | 121 <hr/> |
| 122 | 122 |
| 123 | 123 |
| 124 <h2 heading><a name="intro" href="#intro">Introduction</a></h2> | 124 <h2 heading><a name="intro" href="#intro">Introduction</a></h2> |
| 125 | 125 |
| 126 <p>Luan is a high level programming language based on <a href="http://www.lua.org">Lua</a>. A great strength of Lua is its simplicity and Luan takes this even further, being even simpler than Lua. The goal is to provide a simple programming language for the casual programmer with as few concepts as possible so that one can quickly learn the language and then easily understand any code written in Luan.</p> | 126 <p>Luan is a high level programming language based on <a href="https://www.lua.org/">Lua</a>. A great strength of Lua is its simplicity and Luan takes this even further, being even simpler than Lua. The goal is to provide a simple programming language for the casual programmer with as few concepts as possible so that one can quickly learn the language and then easily understand any code written in Luan.</p> |
| 127 | 127 |
| 128 <p>Luan is implemented in Java and is tightly coupled with Java. So it makes a great scripting language for Java programmers.</p> | 128 <p>Luan is implemented in Java and is tightly coupled with Java. So it makes a great scripting language for Java programmers.</p> |
| 129 | 129 |
| 130 <p>Unlike Lua which is meant to be embedded, Luan is meant to be a full scripting language. This done not by adding feature to Luan, but rather by providing a complete set of libraries.</p> | 130 <p>Unlike Lua which is meant to be embedded, Luan is meant to be a full scripting language. This done not by adding feature to Luan, but rather by providing a complete set of libraries.</p> |
| 131 | 131 |
| 254 | 254 |
| 255 | 255 |
| 256 <h3 heading><a name="env" href="#env">Environments</a></h3> | 256 <h3 heading><a name="env" href="#env">Environments</a></h3> |
| 257 | 257 |
| 258 <p> | 258 <p> |
| 259 The environment of a chunk starts with only one local variable: <code><a href="#require">require</a></code>. This function is used to load and access libraries and other modules. All other variables must be added to the environment using <a href="http://localhost:8080/manual.html#local_stmt">local declarations</a>. | 259 The environment of a chunk starts with only one local variable: <code><a href="#require">require</a></code>. This function is used to load and access libraries and other modules. All other variables must be added to the environment using <a href="/manual.html#local_stmt">local declarations</a>. |
| 260 | 260 |
| 261 <p> | 261 <p> |
| 262 As will be discussed in <a href="#vars">Variables</a> and <a href=#assignment">Assignment</a>, | 262 As will be discussed in <a href="#vars">Variables</a> and <a href=#assignment">Assignment</a>, |
| 263 any reference to a free name | 263 any reference to a free name |
| 264 (that is, a name not bound to any declaration) <code>var</code> | 264 (that is, a name not bound to any declaration) <code>var</code> |