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Re: Object Oriented Programming in Perl.

by fruiture (Curate)
on Aug 05, 2002 at 11:24 UTC ( [id://187629]=note: print w/replies, xml ) Need Help??


in reply to Object Oriented Programming in Perl.

just in addition to the others' constructors:

sub new {
  my $class = shift; $class = ref $class || $class;
  # other stuff
  bless $self,$class;
}

[download]

It allows you to use the constructor as an instance method. This is also described in perltoot and imho very usefull.

--
http://fruiture.de

Replies are listed 'Best First'.
Re: Re: Object Oriented Programming in Perl.
by aufrank (Pilgrim) on Aug 05, 2002 at 19:04 UTC

    just to give you all the info, there are some people who do not think that the 

    my $class = shift; $class = ref $class || $class;

    [download]
    construction is useful or appropriate in a constructor. I'm just getting into this OOP stuff myself, and have avoided that particular method mostly because of posts by tilly and merlyn. Tilly uses some examples you might like in A Cat's eye view of OO (though all of the thread might be helpful) and even refers to merlyn's take on the matter, ref($proto) - just say no!. and of course, there are excellent resources in the tutorials section, specifically the Perl Object Oriented Meta-Tutorial , which is basically a list of further resources.

    good luck with the OOP in perl, from someone who's also in the middle of struggling with it!
    --au

[reply]
[d/l]

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