What are your motivations?
Modify the stack to pretend `legacy_method` wasn't called is surely detrimental. You could avoid that (and speed things up an itsy bit) with the following:
sub legacy_method {
¤t_method;
}
But both the above and your approach fail when a child class overrides current_method. I'd use the following:
sub legacy_method {
my $self = shift;
$self->current_method(@_);
}
(Which actually works and avoids needless copying unlike the code you presented as the baseline.)
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