Getting the type of a member

Question

NOTE: This question was originally asked way back in 2012. Before the decltype specifier was fully implemented by any major compilers. You shou

Answer 1

template  M get_member_type(M T:: *);

#define GET_TYPE_OF(mem) decltype(get_member_type(mem))

Is the C++11 way. It requires you to use &Person::age instead of Person::age, although you could easily adjust the macro to make the ampersand implicit.