Beefy Boxes and Bandwidth Generously Provided by pair Networks
Clear questions and runnable code
get the best and fastest answer
 
PerlMonks  

Comment on

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

sub()

This one was the reason I came here, details are in the Seekers of Perl Wisdom thread. (THANKS again BUU!!!).
In short: if you write
sub foo() { ... },
you're in trouble.

Why people do this?

Mainly (I think) because it's counter-intuitive to do otherwise. I personally automatically without thinking add "()" to a function declaration. Besides, I call it as "foo()".

Another reasons: Perl allows you to do that. What I encountered is, depending on where one calls sush sub, -- before or after it's defInition(!!!), there'll be a syntax error or no errors. (In fact, after fixing my small problem today, I looked closer at my colleague's module and found several dozen subs declared like this. No complaints from Perl).

Solution

Read all books, spend several years practicing. I leave to the experts the explanation of what "sub name()" really means (it's an array of subs or smth. like that I guess).
-- Find out.

In reply to Re^2: Example 1 by Mabooka-Mabooka
in thread Common Beginner Mistakes by chromatic

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
  • 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?
    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 pondering the Monastery: (3)
    As of 2015-07-28 01:33 GMT
    Sections?
    Information?
    Find Nodes?
    Leftovers?
      Voting Booth?

      The top three priorities of my open tasks are (in descending order of likelihood to be worked on) ...









      Results (251 votes), past polls