[test@test ~]$ perl -we '
package grand_father;
use base qw/Class::Accessor::Fast/;
sub new {
  my $class=shift;
  return $class->SUPER::new(@_);
}
package father;
use base grand_father;
sub new {
  my $self=shift->SUPER::new(@_);
  return $self;
}
package son;
use base father;
package main;
use Data::Dumper;

print Dumper(son->new);

[download]

output:

$VAR1 = bless( {}, 'son' );

It seems to me the line my $self=shift->SUPER::new(@_); should cause dead loop,but it actually works fine.

My reasoning:

As SUPER should look up new in its parent ,so dead loop will occur.

Anyone can explain how SUPER works ?

In reply to Why doesn't SUPER cause dead loop here? by PerlOnTheWay

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