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Could you elaborate on the reason for providing that link. LanX had already noted the new syntax ("... it was introduced with 5.20 ...") so I saw no reason to comment further in my post. Not that you would have known, but I did check the information from a different source: https://perldoc.perl.org/5.30.0/perldata.html#Key%2fValue-Hash-Slices via https://perldoc.perl.org/5.30.0/functions/delete.html (link in second paragraph). — Ken In reply to Re^3: Consise way to filter out keys with undef values from a hash slice?
by kcott
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