// Cross platform errors package mountlib import "fmt" // Error describes low level errors in a cross platform waytype Error byte // NB if changing errors translateError in cmd/mount/fs.go, cmd/cmount/fs.go // Low level errorsconst (	OK Error = iota	ENOENT	ENOTEMPTY	EEXIST	ESPIPE	EBADF	EROFS) var errorNames = []string{	OK:        "Success",	ENOENT:    "No such file or directory",	ENOTEMPTY: "Directory not empty",	EEXIST:    "File exists",	ESPIPE:    "Illegal seek",	EBADF:     "Bad file descriptor",	EROFS:     "Read only file system",} // Error renders the error as a stringfunc (e Error) Error() string {	if int(e) >= len(errorNames) {		return fmt.Sprintf("Low level error %d", e)	}	return errorNames[e]}