clogger

type CiaoLog interface {
	// V returns true if the given argument is less than or equal
	// to the implementation's defined verbosity level.
	V(int32) bool

	// Infof writes informational output to the log.  A newline will be
	// added to the output if one is not provided.
	Infof(string, ...interface{})

	// Warningf writes warning output to the log.  A newline will be
	// added to the output if one is not provided.
	Warningf(string, ...interface{})

	// Errorf writes error output to the log.  A newline will be
	// added to the output if one is not provided.
	Errorf(string, ...interface{})
}

type CiaoNullLogger struct{}