The following code example is taken from the book
C++17 - The Complete Guide
by Nicolai M. Josuttis,
Leanpub, 2017
The code is licensed under a
Creative Commons Attribution 4.0 International License.
template<typename T>
class Base {
T value{};
public:
Base() {
//...
}
Base(T v) : value{v} {
//...
}
//...
};
template<typename... Types>
class Multi : private Base<Types>...
{
public:
// derive all constructors:
using Base<Types>::Base...;
//...
};