On why it's good...

This leaks: 

sub outer {
   ...

   my $inner;
   $inner = sub {
      ...
      $inner->(...);
      ...
   };

   $inner->(...);
}

[download]

This doesn't: 

sub outer {
   ...

   my $inner = sub {
      ...
      __SUB__->(...);
      ...
   };

   $inner->(...);
}

[download]

In reply to Re^2: perl 5.16.0 released! by ikegami
in thread perl 5.16.0 released! by Tux

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