Deep Dive into Class and Record Design

Distinguish between reference and value semantics by comparing classes and structs.

Implement immutable data transfer objects using records and init-only setters.

Apply sealed classes to prevent inheritance and articulate their design and performance implications.

Overload operators to create expressive and intuitive domain-specific types.

Implement custom implicit and explicit conversion operators between related types.

Choose between composition over inheritance to create flexible and maintainable designs.

Select the appropriate tool (abstract class, interface, or record) for a given API design scenario.