spaceship (plural spaceships)

  1. A vehicle that flies through space.
  2. (cellular automata) A finite pattern that reappears after a certain number of generations in the same orientation but in a different position.
    hyponyms en
  3. (programming) The operator <=> in the Perl, PHP and Ruby programming languages, which compares two values and indicates whether the first is lesser than, greater than, or equal to the second.
    • 2012, Randal Schwartz, ‎Brian Foy, ‎Tom Phoenix, Intermediate Perl (page 142)
      If we reverse the positions of $a and $b, the spaceship will sort in the opposite order […]
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