prog.cpp: In function 'std::vector<std::basic_string<char> > process2()':
prog.cpp:10:29: error: expected ';' before '}' token
return ({"A","B","C","D"});
^
prog.cpp:10:29: error: could not convert '((void)0, ((const char*)"D"))' from 'const char*' to 'std::vector<std::basic_string<char> >'