>>>>> "Peter" == Peter Valdemar Mørch <pe...@morch.com> writes:
Peter> How is modifying $_[0] going to do anything for the caller?
,----[ perldoc perlsub ]
| The array @_ is a local array, but its elements are aliases for the
| actual scalar parameters. In particular, if an element $_[0] is
| updated, the corresponding argument is updated
`----
This means that assigning to $_[0] modifies the scalar within the caller
scope. It's done that way so you get a new object in the Data::Dumper
scope without stomping your original object.
--
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