3 ms·

Which, if we were to take this example seriously, would be very important, since these rules would likely be user specified.

• xtho 17y ago
  How should a function be "user" specified? (But which user?) The set of eligible options is well defined at the time of writing the program.
  • wlievens 17y ago
    But the way they are composed, and where and when they apply, is most likely not!