What is the benefit of using a fileprivate access modifier in Swift, and how does it differ from private and internal?
Fileprivate access modifier in Swift provides a balance between encapsulation and flexibility. It allows properties or methods to be accessible within the same file, promoting code organization while maintaining restricted access.
Differences :
1. Private : Accessible only within the enclosing declaration (e.g., class or struct). Most restrictive.
2. Fileprivate : Accessible within the entire source file. Less restrictive than private but maintains limited scope.
3. Internal : Accessible within the module containing the source file. Default access level, broader scope than fileprivate.
Using fileprivate helps prevent unintended external access, encourages modular design, and facilitates refactoring by keeping related code together.
