A lot simpler and a lot less fragile: 
my @overload = ('+' => sub {
    my $self = shift;
    my ($other, $info) = @_;
    # do some stuff
});

eval "package $namespace; use overload \@overload; 1"
    or die $@;

[download]

In reply to Re^2: Dynamically Changing Packages w/out Eval by ikegami
in thread Dynamically Changing Packages w/out Eval by Ovid

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