node_template | Node API template | Runtime Evironment library

Let there be a C++ library (let's call it lib) which gets included as a static library in an application (let's call it app). Within the lib there's a base class node. Each subclass of a node is identified by a UUID. I employ a self registering pattern to ensure that new classes register themselves at the factory. The factory allows to build a node subclass object based on the provided UUID. The app builds objects through the lib's factory::build() function.

My factory is based on the code of this brilliant blog post.

I've adapted this code to use a UUID (using boost.uuid) instead of a string as all the classes being created need a UUID assigned by them anyway (for external dependency reasons).

The problem I am hitting is that if I do not "manually" create an object instance of each node_template subclass (i.e. A and B), the factory::m_generators map is empty. This is of course due to the fact that the various node-subclasses were never instantiated and therefore never registered themselves.

Here's my runnable minimum example (live demo at coliru):