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

Comment on

( #3333=superdoc: print w/ replies, xml ) Need Help??
Are there instances where OO perl is the only choice?

Not really. You can always write a piece of procedural code that will do the same thing as a piece of OO code.

However, there are many times when OO is a sensible choice. For example if you've got an existing OO system that needs extending, or an OO framework that matches your application.

Personally I find an OO approach makes most non-trivial applications simpler to develop - but this edges onto religious argument territory.

You may find Damian Conway's ten rules for when to use OO of interest.

Say you've written a pretty large program written mostly in proceduaral perl. Can you easily re-write that program in OO perl later if you choose to?

Depends. Often not. Procedural code often tends to separate data and the processes applied to that data. OO tends to do the opposite.

It is possible of course, but may be non-trivial.

Does anybody have any idea how perl 6's implementation of OO perl is going to be like? If so, is it going to be differnt from the current implementation?

Yes it will be different. We won't know the details until the next Apocalypse comes out. Reading the other Apocalypses gives some hints. At the very least we will see:

  • Classes as first class objects
  • Multi-methods
  • Decent encapsulation of attributes and code

Probably a lot more.

As I understand it the old Perl 5 style object system will still be usable, but the newer structures offer considerably more flexibility.


In reply to Re: perl OO - to use or not to use by adrianh
in thread perl OO - to use or not to use by kiat

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!
  • 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
  • Outside of code tags, you may need to use entities for some characters:
            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 making s'mores by the fire in the courtyard of the Monastery: (10)
    As of 2014-12-25 00:18 GMT
    Sections?
    Information?
    Find Nodes?
    Leftovers?
      Voting Booth?

      Is guessing a good strategy for surviving in the IT business?





      Results (159 votes), past polls