Beefy Boxes and Bandwidth Generously Provided by pair Networks
Syntactic Confectionery Delight

comment on

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

can be replaced by:

bless do { my %self = (%{Colour->new($colour)}, %{Age->new($age)}); \% +self }, $class;

Moose (and some of its imitators) thankfully handles all of this for you. The Moose philosophy is to never write your own new method - rely on Moose to take care of it for you. If you do need to do some initialisation, then create a BUILD method - no matter how complex the inheritance you're using, Moose should call all the BUILD methods in a sane order.

The other solution is to go the inside-out object route. If your class doesn't care about the contents of the reference, then all is fine and dandy. The reference doesn't even have to be a hash/array any more - it could be a scalarref, a coderef, a quoted regexp, etc. Inside-out objects have been traditionally fiddly to write without leaking memory, but the recent "fieldhashes" modules have made it a lot easier.

In reply to Re^7: Perl "new" command by tobyink
in thread Perl "new" command by akagrawal3

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?

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

    How do I use this? | Other CB clients
    Other Users?
    Others romping around the Monastery: (3)
    As of 2018-12-16 08:08 GMT
    Find Nodes?
      Voting Booth?
      How many stories does it take before you've heard them all?

      Results (70 votes). Check out past polls.

      • (Sep 10, 2018 at 22:53 UTC) Welcome new users!