typename-specifier-2.cpp [plain text]
template<typename MetaFun, typename T>
struct bind_metafun {
typedef typename MetaFun::template apply<T> type;
};
struct add_pointer {
template<typename T>
struct apply {
typedef T* type;
};
};
int i;
bind_metafun<add_pointer, int>::type::type ip = &i;
bind_metafun<add_pointer, float>::type::type fp = &i;
template<typename T>
struct extract_type_type {
typedef typename T::type::type t;
};
double d;
extract_type_type<bind_metafun<add_pointer, double> >::t dp = &d;