template <typename WrappedType, void (*DeleterFunc)(WrappedType *)>
std::unique_ptr<WrappedType,
typename memory::create_deleter_class<WrappedType, DeleterFunc>::deleter>
-make_unique_wrapper(WrappedType *instance)
+make_unique_wrapper(WrappedType *instance = nullptr)
{
const memory::create_deleter_class<WrappedType, DeleterFunc> unique_deleter;