Factorio Forums

Given some new information (that the mapgen functions library will be available to players in blueprint parameters, rather than just in the modding api), I would very much like to be able to write something like this in the arithmetic combinator:
That particular example is a meaningless calculation, but I think gets the idea across. The rich-text-tags would obviously be the actual icons.

No-border, red-border, green-border for wire color would be my initial thoughts for border colour.