Optional Chaining in Swift Programming Language
<p><em>If you are new to swift and to the concept of </em><strong><em>Optionals</em></strong><em> it may seems a little bit strange to have a special type for representing something or nothing, but if you get the hang of it, it will come really handy in a lot of situations.</em></p>
<p>Optional chaining is a feature in the Swift programming language that allows you to safely access properties, methods, and subscripts on an optional that might currently be <code>nil</code>. It provides a way to work with optionals and avoid runtime crashes when trying to access properties or call methods on them. Optional chaining uses a question mark (<code>?</code>) to access properties or call methods on optional values.</p>
<h1>Syntax:</h1>
<p>Here’s the basic syntax for optional chaining in Swift:</p>
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