package Tie::ReverseScalar;

sub TIESCALAR {
    my $class = shift;
    return bless \$_[0] => $class;
}

sub FETCH {
    return reverse ${$_[0]};
}

sub STORE {
    ${$_[0]} = reverse $_[1];
}

sub DESTROY {
    undef ${$_[0]};
}

1;
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use Tie::ReverseScalar;
sub Reverse :lvalue { 
    my $x = @_ ? \$_[0] : \$_;
    tie $x, 'Tie::ReverseScalar', $$x; $x
}

$_ = 'foo';
chop Reverse;
print;

__END__
oo
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Update: oops, I had written that this output "fo" (which wouldn't have been interesting at all), but it actually outputs "oo" (which is what makes it cool). Thanks, BrowserUK, for pointing out the typo.

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:Wq
Not an editor command: Wq
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