Strategies to minimize side effects
While side effects in real-world applications are unavoidable, the key is to control and isolate them to make your code more manageable and predictable. This section focuses on strategies to minimize side effects by using readonly
, const
, static
, and immutability in C#.
Favor immutability
Immutability is a powerful way to minimize side effects. Immutable objects are objects whose state can’t be changed after they’re created. In C#, strings are a prime example of immutability. Every operation on a string results in a new string, and the original string remains unchanged. This principle can be expanded to other data types:
Book originalBook = new Book("The Clean Coder", "Uncle Bob"); /* Create a new book instance with the same title but a different author */ Book updatedBook = originalBook with { Author = "Robert C. Martin"...