1package logger 2 3import ( 4 "fmt" 5 "os" 6) 7 8type StandardLogger struct{} 9 10func (StandardLogger) Printf(format string, args ...interface{}) { 11 if len(format) == 0 || format[len(format)-1] != '\n' { 12 format += "\n" 13 } 14 fmt.Fprintf(os.Stderr, format, args...) 15} 16 17func (StandardLogger) Debugf(format string, args ...interface{}) { 18 if len(format) == 0 || format[len(format)-1] != '\n' { 19 format += "\n" 20 } 21 fmt.Fprintf(os.Stderr, format, args...) 22} 23