package logger import ( "fmt" "os" ) var _ Logger = StandardLogger{} type StandardLogger struct{} func (StandardLogger) Printf(format string, args ...interface{}) { if len(format) == 0 || format[len(format)-1] != '\n' { format += "\n" } fmt.Fprintf(os.Stderr, format, args...) } func (StandardLogger) Debugf(format string, args ...interface{}) { if len(format) == 0 || format[len(format)-1] != '\n' { format += "\n" } fmt.Fprintf(os.Stderr, format, args...) }