Positive number if $(D_KEYWORD this) is larger than that, negative - if it is smaller, or 0 if they equal.
assert(address4("127.0.0.1").get > address4("126.0.0.0").get); assert(address4("127.0.0.1").get < address4("127.0.0.2").get); assert(address4("127.0.0.1") == address4("127.0.0.1"));
Compares two Address4 objects.