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Re^3: Use function as a regexby Eily (Monsignor) |
on Feb 15, 2018 at 17:01 UTC ( [id://1209240]=note: print w/replies, xml ) | Need Help?? |
I don't think you'll find it as is in the doc. It's a side effect of the "@{ REF }" interpolation where REF can actually be an arbitrary expression, so it can be an anonymous array ref that only contains the one element you want. It's known as a secret operator.
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