> So the answer is that the `std::move` does nothing and should be omitted
You can't assign an rvalue into an lvalue reference, precisely to avoid this sort of mistake. If this is the only overload then this just wouldn't compile (e.g. [1]). So the std::move isn't doing nothing, but yes it should be omitted. Maybe it's just a weird typo.
You can't assign an rvalue into an lvalue reference, precisely to avoid this sort of mistake. If this is the only overload then this just wouldn't compile (e.g. [1]). So the std::move isn't doing nothing, but yes it should be omitted. Maybe it's just a weird typo.
[1] https://ideone.com/4NS5dI