use strict; use warnings; use Safe; my $despatch = {}; my $code = sub { my $module = "A"; my $mainmodule = $module . ".pm"; require $mainmodule; import $mainmodule; my $obj = $module->new(); $despatch->{"A"} = $obj; $module = "B"; $obj = $module->new(); $despatch->{"$obj"} = $obj; }; my $compartment = Safe->new('testing'); $compartment->reval(&{$code}()); $compartment->reval( $despatch->{'A'}->test() );