Calling inherited template constructor of unique_ptr subclass

Question

This is not a duplicate of questions on template constructors or even on calling inherited template constructors.

It is specifically about calling the inherited construc

Answer 1

std::unique<int> is meant to be smart pointer for ints, i.e. a replacement for int*.

When you use std::unique<int*>, the pointer needs to be int**.

Instead of

using B = std::unique_ptr<int *, decltype(&::free)>;

use

using B = std::unique_ptr<int, decltype(&::free)>;

Working code (Thanks, @CompuChip): http://ideone.com/ul29vr.