my $state;
sub init_state { $state = shift }
sub foo {
    if ($state) {
        ...


##</code><code>##

for my $i (1 .. 3) {
    my $s = sub { state $x = $_; say "$i $x" };
    $s->($_) for qw( a b );
}


##</code><code>##

($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,