Self is a special type in Swift that refers to the type of the current instance within a class or struct. It is often used as a return type for methods, as it allows the method to return an instance of the class or struct that it is being called on. For example:
On the other hand, self is a special keyword in Swift that refers to the current instance of a class or struct within its own context. It is often used to disambiguate between a local variable and a property of the class or struct. For example:
It's important to note that Self and self have different meanings in Swift, and using the wrong one can result in compile-time errors. Always be sure to use Self when referring to the type of the current instance, and self when referring to the current instance itself.