swift difference between final var and non-final var | final let and non-final let : <p>What's difference between final variables and non-final variables :</p>

<pre><code>var someVar = 5
final var someFinalVar = 5
</code></pre>

<p>and</p>

<pre><code>let someLet = 5
final let someFinalLet = 5
</code></pre>
