There is already a good solution: https://www.plflib.org/colony.htm https://www.plflib.org/colony.htm, that will [eventually] end up in the std [https://github.

There is already a good solution: https://www.plflib.org/colony.htm https://www.plflib.org/colony.htm, that will [eventually] end up in the std [https://github.com/WG21-SG14/SG14/tree/master/SG14 https://github.com/WG21-SG14/SG14/tree/master/SG14].