The Memento Pattern in Swift: A Comprehensive Guide
<p>The Memento Pattern is a behavioural design pattern that allows you to capture an object’s internal state without exposing its structure. This captured state called a memento, can be stored, retrieved, and used to restore the object to its previous state. In this comprehensive guide, we will explore the Memento Pattern in Swift, its usage, provide a conceptual example, and discuss real-world applications, problem-solving capabilities, pseudocode, applicability, how to implement it, its pros and cons, and its relationships with other design patterns.</p>
<h1>What is the Memento Pattern?</h1>
<p>The Memento Pattern is a behavioural design pattern that provides the ability to capture and externalize an object’s internal state so that the object can be restored to that state later. It helps maintain the encapsulation of an object’s state while allowing it to be rolled back to a previous state without exposing its internal structure.</p>
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