Function Float2String

src/common/string_util.cc:33–39

namespace util {

std::string Float2String(double d) {
  if (std::isinf(d)) {
    return d > 0 ? "inf" : "-inf";
  }

  return fmt::format("{:.17g}", d);
}

std::string ToLower(std::string in) {
  std::transform(in.begin(), in.end(), in.begin(), [](char c) -> char { return static_cast<char>(std::tolower(c)); });