Alright, so what's the point of even using my Node as a base class? If it's going to override my methods and do whatever it wants, there's really no point in inheriting from my class.
That's exactly right. Sometimes there really is no point in inheriting from your class. By checking for isa("Node"), you're requiring the user to do so, even if there is no other reason. The duck typing lets them use inheritance if it makes sense, or a complete reimplementation if that makes more sense. It gives the user more flexibility.
PS: Sorry I didn't reply to your later thoughts, I haven't had a chance to digest them all the way. I might revisit this post later and see if I have anything more to say.
-
Are you posting in the right place? Check out Where do I post X? to know for sure.
-
Posts may use any of the Perl Monks Approved HTML tags. Currently these include the following:
<code> <a> <b> <big>
<blockquote> <br /> <dd>
<dl> <dt> <em> <font>
<h1> <h2> <h3> <h4>
<h5> <h6> <hr /> <i>
<li> <nbsp> <ol> <p>
<small> <strike> <strong>
<sub> <sup> <table>
<td> <th> <tr> <tt>
<u> <ul>
-
Snippets of code should be wrapped in
<code> tags not
<pre> tags. In fact, <pre>
tags should generally be avoided. If they must
be used, extreme care should be
taken to ensure that their contents do not
have long lines (<70 chars), in order to prevent
horizontal scrolling (and possible janitor
intervention).
-
Want more info? How to link
or How to display code and escape characters
are good places to start.
|