Working on android port of sfml i find two problems:
1. Why i have't function like std::bind (only bind1st) ot std::make_unique (make_shared is present).
2. Trying to implement SceneGraph structure from SFML Game Development book - unique pointer polymorphism:
class Base;
class Derived : public Base;
std::unique_ptr<Derived> der (new Derived);
std::unique_ptr<Base> bas (new Base);
bas = std::move(der);
-- Works
void foo ( std::unique_ptr<Base> ptr);
foo(std::move(der));
-- this giving me error!