AddExtrasToError checks if the input error implements a causer interface.

AddTagsToError checks if the input error implements a causer interface.

This allows us to attach a response code with an error.

Finds the deepest non-nil cause.

Fatal is a condition to see if an error can be ignored or not.

Creates an error which is chained with a cause.

NewErrorToIgnore returns an error that informs loggers to ignore it.

NewErrorWithCode returns an error that has an int code associated with it.

Creates an error which is chained with a cause.

Creates an error which is chained with a cause.

Printing the stacktrace of an error.

Determines the stacktrace of an error.