Function construct_node

src/config/implementation.hpp:1674–1682

template <typename Alloc, typename U>
inline typename boost::unordered::detail::allocator_traits<Alloc>::pointer
construct_node(Alloc& alloc, BOOST_FWD_REF(U) x)
{
    node_constructor<Alloc> a(alloc);
    a.create_node();
    boost::unordered::detail::func::call_construct(
        alloc, a.node_->value_ptr(), boost::forward<U>(x));
    return a.release();
}

// TODO: When possible, it might be better to use std::pair's
// constructor for std::piece_construct with std::tuple.