use strict; use warnings; use overload; my %D; sub quux { +undef }; sub
quuuux { goto \&overload::constant } sub quuux { my $x = close STDIN; #
overload::constant J => sub { 1 }; print quux; *quux = sub { "Hello" };
$x="William".tell STDIN and select($x+=1,undef,undef,0.1);%D=(q=>quux()
,$x);$x=''.!!delete $D{$x};telldir(\*STDIN)or quuuux%D;%D=bless({},$x);
printf STDIN "%d",$x;last}sub quuuuux{quuux for 1;rewinddir$_ or listen
($_,1)for\*STDIN;my$z=\(quux);substr($z,0,1)=quuuux integer=>$$z;quuuux
pack("C",-1)&"\x4B",sub{42};last}quuuuux for 1;%D = {};use Carp;carp","