What are some effective error handling techniques in Go?

What are some effective error handling techniques in Go?

In Go, effective error handling techniques include using the built-in error type, returning errors from functions, and using the defer statement for cleanup.

Can you explain how to use the defer statement for error handling?

Sure! The defer statement allows you to schedule a function call to be run after the function completes, which is useful for cleanup tasks, like closing files or releasing resources, even if an error occurs.

What is the difference between panic and error in Go?

In Go, an error is a value that indicates a problem that can be handled, while a panic is a runtime error that stops the normal execution of a goroutine. You should use errors for recoverable situations and panic for unrecoverable ones.

Are there any best practices for error handling in Go?

Yes, some best practices include always checking for errors, wrapping errors with context, and using custom error types for better error handling.