Beefy Boxes and Bandwidth Generously Provided by pair Networks
Keep It Simple, Stupid
 
PerlMonks  

comment on

( #3333=superdoc: print w/replies, xml ) Need Help??

Ok, Here goes a more complex example, wich shows it in more details:

use strict; use warnings; package Foo::Bar; sub new { tie my @arr, 'Foo::Bar'; return bless \@arr, 'Foo::Bar'; } sub TIEARRAY { my $scalar = "A Scalar"; return bless \$scalar, 'Foo::Bar'; } sub FETCH { my ($self, $index) = @_; print 'FETCH '; if ($index == 0) { return $self->lalala0; } elsif ($index == 1) { return $self->lalala1; } else { return undef; } } sub STORE { my ($self, $index, $value) = @_; print 'STORE '; if ($index == 0) { return $self->lalala0($value); } elsif ($index == 1) { return $self->lalala1($value); } else { return undef; } } sub lalala { my $self = shift; if (UNIVERSAL::isa($self,'ARRAY')) { $self = tied(@{$self}) }; print "Lalala $self\n"; } sub lalala0 { my $self = shift; if (UNIVERSAL::isa($self,'ARRAY')) { $self = tied(@{$self}) }; print "Lalala0 $self\n"; } sub lalala1 { my $self = shift; if (UNIVERSAL::isa($self,'ARRAY')) { $self = tied(@{$self}) }; print "Lalala1 $self\n"; } sub DESTROY { my $self = shift; if (UNIVERSAL::isa($self,'ARRAY')) { print "Destroying the array...\n"; } else { print "Destroying the scalar...\n"; } } package main; my $a = Foo::Bar->new(); # The object inside is a SCALAR $a->lalala(); $a->[0] = $a->[1]; $a->[1] = $a->[0];

UPDATE: Included the DESTROY method, to illustrate...

daniel

In reply to Re^3: tie'ing a scalar as an array? by ruoso
in thread tie'ing a scalar as an array? by rvosa

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post; it's "PerlMonks-approved HTML":



  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.
  • Log In?
    Username:
    Password:

    What's my password?
    Create A New User
    Chatterbox?
    and the web crawler heard nothing...

    How do I use this? | Other CB clients
    Other Users?
    Others musing on the Monastery: (6)
    As of 2021-01-21 17:46 GMT
    Sections?
    Information?
    Find Nodes?
    Leftovers?
      Voting Booth?
      Notices?