Function ValidateLogAbortLevel

dev_sandbox/main.cpp:64–80

namespace
{
bool ValidateLogAbortLevel(char const * flagname, std::string const & value)
{
  if (auto level = base::FromString(value); !level)
  {
    std::cerr << "Invalid value for --" << flagname << ": " << value << ", must be one of: ";
    auto const & names = base::GetLogLevelNames();
    for (size_t i = 0; i < names.size(); ++i)
    {
      if (i != 0)
        std::cerr << ", ";
      std::cerr << names[i];
    }
    std::cerr << '\n';
    return false;
  }
  return true;
}

bool const g_logAbortLevelDummy = gflags::RegisterFlagValidator(&FLAGS_log_abort_level, &ValidateLogAbortLevel);