package Foo_parent; sub new { print "@_\n"; } package Foo_child; @{'Foo_child::ISA'} = 'Foo_parent'; package Bar; my @args = 1 .. 3; *{'Foo_child::new'} = sub { my $self = shift; $self->SUPER::new( @args ); }; package main; my $foo = Foo_child->new;