unwrapping noncopyable

gistfile1.txt

struct noncopyable {
    noncopyable(noncopyable const&) = delete;
}

...

{
    auto f = [](noncopyable const&) {};
    auto uf = hpx::util::unwrapping(f);
    noncopyable n;
    //uf(n); // Not ok
    uf(noncopyable{}); // Ok
    uf(std::move(n)); // Ok
}