Do macro ao template

macro_templ.cpp

template<typename T, typename U>
void fill(T &t, U start, U end, U step) {
	for(U i=start; i < end; i += step) {
		t.push_back(i);
	}
}

template<typename T>
auto accum(T &t) { 
	typename T::value_type ret{};
	for(auto &item : t) {
		ret += item;
	}
	return ret;
}