Function AsciiToLower

libs/base/string_utils.cpp:202–214

}

void AsciiToLower(std::string & s)
{
  std::transform(s.begin(), s.end(), s.begin(), [](char in)
  {
    char constexpr diff = 'z' - 'Z';
    static_assert(diff == 'a' - 'A');
    static_assert(diff > 0);

    if (in >= 'A' && in <= 'Z')
      return char(in + diff);
    return in;
  });
}

void AsciiToUpper(std::string & s)
{