Go: Building Web Applications

Using panics and fatal errors

In addition to simply storing messages from your applications, you can create application panics and fatal errors that will prevent the application from continuing. This is critical for any use case where errors that do not halt execution lead to potential security issues, data loss, or any other unintended consequence. These types of mechanisms are generally relegated to the most critical of errors.

When to use a panic() method is not always clear, but in practice this should be relegated to errors that are unrecoverable. An unrecoverable error typically means the one where state becomes ambiguous or cannot otherwise be guaranteed.

For example, operations on acquired database records that fail to return expected results ...