id,summary,reporter,owner,description,type,status,milestone,component,version,severity,resolution,keywords,cc
7777,at() member function required for program_options::variables_map,Nana Sakisaka <n.sakisaka@…>,Vladimir Prus,"variables_map provides operator[] which sets an empty value to the option, if the specified key does not exist.[[BR]]
I think it would be nice and more robust to also provide an overrided member function at() which throws an exception for such circumstances.

Related ticket: #7495. If implementing #7495, it will be also required to handle boost::optional values for at().",Feature Requests,new,To Be Determined,program_options,Boost 1.52.0,Problem,,variables_map,