Favor Method Chaining Over Nested Calls | Clean Code

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For developers deeply entrenched in object-oriented programming, dealing with nested method calls is a familiar challenge. While OOP offers powerful paradigms for structuring and modeling complex systems, its traditional representation of method composition lags behind syntax and practices of function composition in functional languages. That very principle of combining functions to produce new, complex functionalities without a maze of nested calls is where the great power of functional programming lies.
Now, you might wonder, can we borrow this elegance from functional programming and apply it to such an OOP language as C#? The common interpretation of function composition in traditional object-oriented languages is to nest method calls which, though functionally correct, literally read our thoughts in reverse.
This is where the concept of method chaining comes into play. The C# programming language supports extension methods, a powerful tool, yet not always understood well. It lacks polymorphism, some might say, but polymorphism was never their goal. It is the function composition, like the one we have in any functional language, that we can attain by using extension methods rather than common, instance-level ones.
We can refactor these nested calls into a series of extension methods, where applicable. Such code is not only more readable but is effectively self-documenting. Every line, every chain, aligns beautifully with the original requirements, removing ambiguity and making maintenance a breeze.
Be it as it may, method chaining remains, offering a fresh perspective on structuring code. This video will equip you with a tool that promises a cleaner variant of your OOP code.

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