MoveNonCopyable.cpp

#include <iostream>
#include <vector>

class Alias
{
private:
    Alias(const std::vector<int>& data) : data(data) { }

    // Delete this to make sure that we don't accidentally make a copy.
    Alias(const Alias&) = delete;

public:
    // It's super important for this move constructor to be both public and implemented
    // (in this case, by spelling `= default`.
    Alias(Alias&&) = default;
    std::vector<int> data;
    static Alias CreateAlias(const std::vector<int>& data)
    {
        // Will call the Alias(const std::vector<int>&) ctor first, then the Alias(Alias&&) ctor.
        return {data};
    }
};

int main()
{
    Alias alias_instance = Alias::CreateAlias({1, 2, 3});
    std::cout << alias_instance.data[0] << std::endl;
}