[aaron-lebo]

It's basically this:

https://news.ycombinator.com/item?id=8804381

http://nullprogram.com/blog/2014/12/23/

You'd be surprised how many languages can do this. Though it's hard to beat lisp (and Erlang), where it is the default.

[lallysingh]

really, anyone who bothers reading the dlopen(3) manpage: http://man7.org/linux/man-pages/man3/dlopen.3.html

Loading / unloading code is straightforward. The trick is in getting the code called from existing code.

[pjmlp]

Loading is straightforward, unloading depends.