How should you handle errors in your code? This has been a topic of many discussions, and I want to share my opinion.
One school of thought suggests using exceptions for flow control. This is not a good approach because it makes the code harder to reason about. The caller must know the implementation details and which exceptions to handle.
Exceptions are for exceptional situations.
Today, I want to show you how to implement error handling using the Result pattern.
It's a functional approach to error handling, making your code more expressive.

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Milan Jovanović

Handle errors in a functional way using the Result pattern in .NET. The Result pattern allows you to express the intent that a method could fail, encapsulate application errors, and provide a functional way to handle them. You can also document application errors using the Error class.

Functional Error Handling in .NET With the Result Pattern

Use Exceptions for Exceptional Situations

Expressing Errors Using the Result Pattern