How can I handle errors in Go?

How can I handle errors in Go?

In Go, you can handle errors by checking the return value of functions that return an error. For example, you can use the following pattern: result, err := someFunction(); if err != nil { // handle error }.

What are some common error handling patterns in Go?

Common patterns include using the error type, wrapping errors with fmt.Errorf, and using defer for cleanup.

Can you explain how to wrap errors in Go?

Sure! You can wrap errors using fmt.Errorf with the %w verb. This allows you to add context while preserving the original error.

What should I do if I encounter a panic?

If you encounter a panic, you can recover from it using the recover function within a deferred function to prevent the program from crashing.