3 ms·

Not sure it's really an invention, it's been around for awhile. Check any decent common lisp implementation.

• naedish 9y ago
  I'm pretty sure he doesn't mean invented in a literal sense. The phrasing implies a meaning of reinvented.
  • lomnakkus 9y ago
    Correct, I was being a little bit facetious. All in good fun, obviously :).