Melee units are effectively ranged units with a very short range. One of the most interesting aspects of games is how different ranges interact. Whether that's

Melee units are effectively ranged units with a very short range. One of the most interesting aspects of games is how different ranges interact. Whether that's "melee range" or "slightly further than melee range" really shouldn't matter that much. Also, zerglings, zealots, ultralisks, dark templar and workers are melee in StarCraft 2.