A number of computer programming languages include the spaceship operator <=>.
I was wondering which computer programming language included it first, and when that was.
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Apparently [tag:history] tag wiki suggests that your question is off-topic. Wikipedia lists some languages in [Three-way comparison](https://en.wikipedia.org/wiki/Three-way_comparison), guess you can start with checking which of these languages made this operator first, and where it come from. – Alex Guteniev Dec 03 '21 at 14:25
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This answer might be correct saying Perl and Ruby are the first to use it: https://stackoverflow.com/a/827656/2945027 – Alex Guteniev Dec 03 '21 at 14:32