Class bad_cmd_get

src/common/cmdparse.h:52–62

std::string cmd_vartype_stringify(const cmd_vartype& v);

struct bad_cmd_get : public std::exception {
  std::string desc;
  bad_cmd_get(std::string_view f, const cmdmap_t& cmdmap) {
    desc += "bad or missing field '";
    desc += f;
    desc += "'";
  }
  const char *what() const throw() override {
    return desc.c_str();
  }
};

bool cmd_getval(const cmdmap_t& cmdmap,
		std::string_view k, bool& val);