Mastering Functional Error Handling in .NET With the Result Pattern
Handling errors in code is a critical aspect of software development. There are different approaches to handling errors, but one effective method is using the Result pattern. Here's a step-by-step guide on how to handle errors using the Result pattern: 1. Identify the types of errors: Start by categorizing the errors into two groups - errors you know how to handle and errors you don't know how to handle. 2. Use exceptions for exceptional situations: Exceptions should be reserved for errors that are unexpected or exceptional. If you expect potential errors, it's better to make them explicit using the Result pattern. 3. Implement the Result class: Create a Result class that represents the outcome of an operation. The Result class should have properties like "IsSuccess" and "Error" to indicate whether the operation succeeded or failed and to provide details about the error, if applicable. 4. Create specific Error classes: Create an Error class that represen...