Wouldn't you then write two sets of functions? set_high, set_low, enable_pullup, disable_pullup. Now internally set_high and enable_pullup might do the exact sa

Wouldn't you then write two sets of functions? set_high, set_low, enable_pullup, disable_pullup. Now internally set_high and enable_pullup might do the exact same thing, but externally they signal intent and prevent you from trying to set a pullup on an output for example.