dereferencing hash from params

Posted by k0re on Stack Overflow See other posts from Stack Overflow or by k0re
Published on 2010-06-03T15:32:41Z Indexed on 2010/06/03 15:34 UTC
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perl

|

hash

|

dereference

Hi,

This code works:

  my $href = shift @_;    # get reference to hash
  my %h = %{$href};       # dereference hash

This one does not:

  my %h = %{shift @_};

As well as this one:

  my %h = ${$_[0]}

Why?

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