465   size_t rfind(const std::string& needle) const {  in rfind()
466     size_t pos = console.rfind(needle);  // exact match?  in rfind()
471     if (needle.length() > pos) return std::string::npos;  in rfind()
472     pos -= needle.length();  in rfind()
475       if (numError(pos, needle) != std::string::npos) return pos;  in rfind()
483   size_t find(const std::string& needle, size_t start = 0) const {  in find()  argument
485     if (needle.length() > console.length()) return std::string::npos;  in find()
486     const size_t last_pos = console.length() - needle.length();  in find()
489       if (numError(pos, needle) != std::string::npos) return pos;  in find()
499 bool correctForBitError(std::string& reason, const std::string& needle) {  in correctForBitError()  argument
501   if (reason.length() < needle.length()) return corrected;  in correctForBitError()
503   const size_t last_pos = reason.length() - needle.length();  in correctForBitError()
504   for (size_t pos = 0; pos <= last_pos; pos += needle.length()) {  in correctForBitError()
505     pos = console.find(needle, pos);  in correctForBitError()
509     if (needle == reason.substr(pos, needle.length())) continue;  in correctForBitError()
512     reason = reason.substr(0, pos) + needle + reason.substr(pos + needle.length());  in correctForBitError()
520 bool correctForBitErrorOrUnderline(std::string& reason, const std::string& needle) {  in correctForBitErrorOrUnderline()  argument
521   bool corrected = correctForBitError(reason, needle);  in correctForBitErrorOrUnderline()
522   std::string _needle(needle);  in correctForBitErrorOrUnderline()
525   if (needle != _needle) {  in correctForBitErrorOrUnderline()