/usr/share/doc/libvariable-magic-perl/examples
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copy.pl3860755editdlrm
magic.pl6500755editdlrm
synopsis.pl8080755editdlrm
uvar.pl6430755editdlrm
vm_vs_tie.pl9570755editdlrm
Edit: /usr/share/doc/libvariable-magic-perl/examples/synopsis.pl (808B)
#!/usr/bin/perl use strict; use warnings; use Variable::Magic qw; { my $wiz = wizard set => sub { print "now set to ${$_[0]}!\n" }, free => sub { print "destroyed!\n" }; my $a = 1; cast $a, $wiz; $a = 2; # "now set to 2!" } # "destroyed!" { my $wiz = wizard data => sub { $_[1] }, fetch => sub { $_[2] = $_[1] unless exists $_[0]->{$_[2]}; () }, store => sub { print "key $_[2] stored in $_[-1]\n" }, copy_key => 1, op_info => VMG_OP_INFO_NAME; my %h = (_default => 0, apple => 2); cast %h, $wiz, '_default'; print $h{banana}, "\n"; # "0", because the 'banana' key doesn't exist in %h $h{pear} = 1; # "key pear stored in helem" }