levels

const (
	// Undefined is the default value for unintialized variables.
	Undefined ErrorLevel = iota // 0
	Off                         // 1
	Fatal                       // 2 ...
	Error
	Warn
	Info
	Debug
	Trace
)

const (
	UNDEF ErrorLevelString = "UNDEF"
	OFF   ErrorLevelString = "OFF"
	FATAL ErrorLevelString = "FATAL"
	ERROR ErrorLevelString = "ERROR"
	WARN  ErrorLevelString = "WARN"
	INFO  ErrorLevelString = "INFO"
	DEBUG ErrorLevelString = "DEBUG"
	TRACE ErrorLevelString = "TRACE"

	// only for when things have gone terribly wrong:
	UNKNOWN = "<UNKNOWN ERROR LEVEL STRING>"
)