It looks like this is not being treated as a range operator, but a flip-flop ope... | Hacker News

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		lectrick on Nov 1, 2015 \| parent \| context \| favorite \| on: Ruby Tricks It looks like this is not being treated as a range operator, but a flip-flop operator I've never heard of

mwpmaybe on Nov 2, 2015 [–]

That's the name of the operator, sure. One of the use cases of the flip-flop operator is selecting a range of lines in a file.

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