Function trim

src/common/str_map.cc:65–74

}

static std::string_view trim(std::string_view str)
{
  static const char* whitespaces = "\t\n ";
  auto beg = str.find_first_not_of(whitespaces);
  if (beg == str.npos) {
    return {};
  }
  auto end = str.find_last_not_of(whitespaces);
  return str.substr(beg, end - beg + 1);
}

int get_str_map(
    const string &str,