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

In C++2003 it can't be done directly but you can delegate to a function template which deduces the type:

template 
void deduce_member_type(T S::* member) {
     ...
}

int main() {
    deduce_member_type(&Person::age);
}