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Gambas Documentation - Eval
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<h1>
Eval
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<div class="black"><font size="-2"><b>Syntax</b></font></div>
<pre class="syntax"><u>Value</u> <b>= Eval (</b> <u>Expression</u> AS String [ <b>,</b> <u>Context</u> AS Collection ] <b>)</b> AS Variant</pre><p>

Evaluates an expression and returns its value. This expression can use almost all operators and subroutines of <a href="../def/gambas+en">Gambas</a>.
<p>
The optional context  is a collection that must contain the value of each undefined symbol of <u><a href="../comp/gb.eval/expression+en">Expression</a></u>.
<p>
<div class="gray"><font size="-2"><b>Example</b></font></div>
<pre class="example">DIM Context AS New Collection

Context[&quot;X&quot;] = 2
Context[&quot;Y&quot;] = &quot;Gambas&quot;

PRINT Eval(&quot;X * Len(Y)&quot;, Context)
<hr>12</pre>

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