func arbitraryfunc(component *logberry.Task) error {
// Start a long-running task, using Begin() to log start & begin timer
task := component.Task("Arbitrary computation")
// Report some intermediate progress
task.Info("Intermediate progress", logberry.D{"Best": 9})
// An error has occurred out of nowhere! Log & return an error
// noting that this task has failed, data associated with the error,
// wrapping the underlying cause, and noting this source location
return task.Failure("Random unrecoverable error",
logberry.D{"Bounds": "x-axis"})
}
func somework(parent *logberry.Task) error {
task := parent.Task("Some work")
e := errors.New("inscrutable library error")
return task.WrapError("Mix-up in job order", e)
}
