Expression implicitly coerced from 'String?' to Any
<p>I have some error like this "Expression implicitly coerced from <code>String?</code> to <code>Any</code>" this is my code :</p>

<pre><code>func application(_ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplicationLaunchOptionsKey: Any]?) -&gt; Bool {
    // Override point for customization after application launch.

    FIRApp.configure()
    FIRAuth.auth()?.signIn(withEmail: "myemail@gmail.com", password: "mypassword", completion: { (user, error) in
        if (error != nil) {
            print(user?.email)
        }else {
            print(error?.localizedDescription)
        }
    })

    return true
}
</code></pre>

<p>Error in this line </p>

<pre><code>print(user?.email)
</code></pre>

<p>And</p>

<pre><code>print(error?.localizedDescription)
</code></pre>

<p>Please help me</p>