Note that using & for constants prevents them from inlining:
$ perl -MO=Deparse -e 'use constant C => "abc"; print C' use constant ('C', 'abc'); print 'abc'; -e syntax OK $ perl -MO=Deparse -e 'use constant C => "abc"; print &C' sub C () { 'abc' } use constant ('C', 'abc'); print &C; -e syntax OK
($q=q:Sq=~/;[c](.)(.)/;chr(-||-|5+lengthSq)`"S|oS2"`map{chr |+ord }map{substrSq`S_+|`|}3E|-|`7**2-3:)=~y+S|`+$1,++print+eval$q,q,a,

In reply to Re^2: Searching between two hashes by choroba
in thread Searching between two hashes by TStanley

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