Swift 'if let' equivalent in Kotlin: how to safely unwrap Optional?

Hello colleagues! I recently switched from Swift to Kotlin and can't find a direct equivalent of the `if let` construct. In Swift I often wrote like this: ```swift if let unwrappedValue = optionalValue { print("Value exists: \(unwrappedValue)") } else { print("Value is nil") } ``` This allowed safely unwrapping an Optional and using the value inside the block. In Kotlin, as I understand, instead of Optionals there are nullable types with a question mark (e.g., `String?`). But I can't figure out how to elegantly and safely check that a value is not null and immediately assign it to a new immutable variable. I tried using `?.let`, but it's not exactly what I want: ```kotlin val optionalValue: String? = "Hello" optionalValue?.let { unwrappedValue -> println("Value