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<h1>Lua Imports</h1>
<p>Now that you have exported some variables, something's gotta import them! As always, it is very simple to do.</p>
<p>Let's say that you have made a file called "MyLib.lua" inside a mod called "MyMod". These are the contents of it:</p>
<p><small style="position:relative; top:8px;">MyMod/MyLib.lua</small></p>
<div class="codehilite">
<pre><span></span><code><span class="kr">function</span> <span class="nf">add</span><span class="p">(</span><span class="n">a</span><span class="p">,</span><span class="n">b</span><span class="p">)</span>
<span class="kr">return</span> <span class="n">a</span> <span class="o">+</span> <span class="n">b</span>
<span class="kr">end</span>
<span class="n">export</span><span class="p">(</span><span class="n">add</span><span class="p">)</span>
</code></pre>
</div>
<p>Now you want to import it inside another file. You call the <code>import()</code> function with the file name of the thing you want to import. It will return a table containing all the exported variables.</p>
<div class="codehilite">
<pre><span></span><code><span class="n">MyLib</span> <span class="o">=</span> <span class="n">import</span><span class="p">(</span><span class="s2">&quot;MyMod/MyLib.lua&quot;</span><span class="p">)</span> <span class="c1">-- Import the library</span>
<span class="n">MyLib</span><span class="p">.</span><span class="n">add</span><span class="p">(</span><span class="mi">5</span><span class="p">,</span><span class="mi">7</span><span class="p">)</span> <span class="c1">-- Will return 12</span>
</code></pre>
</div>
<p>Importing works between other languages. So you don't need to worry about a library being written in a different language than you would like. (You could even use multiple languages in one project! Think about that!)</p>
<p>The reason why you can't use tables, is because objects, are actually shared! One script can modify it (like set a variable), and every other script will also see the change. Tables differ between languages, meaning that having to manually sync them between eachother would be a bad idea. Here, you only get a "reference" to the object. Meaning that every script sees the <em>same</em> object, not copies of it.</p>
<hr />
<p><a href="/wiki/QScript/Lua/Exports.html">&lt;- Prev</a> | <a href="/wiki/QScript/Tutorial/Chapter1.html">Go back to the QScript Tutorial</a></p>
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