package grocery type level int const ( FINEST level = iota FINE DEBUG TRACE INFO WARNING ERROR CRITICAL ) var ( kLevelStrings = [...]string{"FINEST", "FINE", "DEBUG", "TRACE", "INFO", "WARNING", "ERROR", "CRITICAL"} ) func (l level) String() string { if l < 0 || int(l) > len(kLevelStrings) { return "UNKNOWN" } return kLevelStrings[int(l)] } type LogRecord struct { Level level // The log level Message string // The log message } func (r *LogRecord) String() string { return r.Message }