To answer your question, I usually use nested arrayrefs when I implement trees in basic Perl data structures and the second of the two "complex relational" structures when I'm storing them in databases.

FWIW, a few months ago I was looking for a good Tree::* module that I could quickly adapt for a project I was working on. I looked at your Tree::Simple and ultimately decided against it and went with Tree::MultiNode instead. I just liked Tree::MultiNode's API better, although I would say Tree::Simple looks like it is the more mature of the two.I admit that what initially turned me off on Tree::Simple was the use of StudlyCaps for method names, but I was also attracted to Tree::MultiNode since it is an implementation of Sedgewick's algorithms which I was familiar with. Anyway, I just re-read the Tree::Simple POD on search.cpan.org, and I noticed that you compare and contrast Tree::Simple to every other Tree::* module out there except Tree::MultiNode. Sorry to go off on this tangent...

In reply to Re: How do "you" make a tree in perl by Anonymous Monk
in thread How do "you" make a tree in perl by stvn

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, details, 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, summary, 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.