Beefy Boxes and Bandwidth Generously Provided by pair Networks
Think about Loose Coupling
 
PerlMonks  

Comment on

( #3333=superdoc: print w/ replies, xml ) Need Help??
Do you have a clear definition for "construct"?

from perlglossary

construct As a noun, a piece of syntax made up of smaller pieces.

I think in this context it's supposed to mean "block of a loop".

IMHO this discussion helps: cross scope gotos?

From what I remember labels are only visible from the actual "frame" and parent frames.

Frames are constructs which need an initialization like subs or for-each-loops (remember the aliased loop-var!).

That means you can't jump into these constructs and bypass initialization.

But if you call another sub from within such a frame, that means after run-time initialization, you can goto back.

So lables are a run-time thing. They belong to the dynamic scope like localized vars.

EDIT: I think the deprecation is supposed to disallow jumps into other kinds of loops like while or c-style fors , which have a "logical" but no "physical" initialization like frames.

HTH!

Cheers Rolf

) remember that naked blocks are internally just while-loops


In reply to Re: How does 'goto LABEL' search for its label? by LanX
in thread How does 'goto LABEL' search for its label? by moritz

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 lurking in the Monastery: (5)
    As of 2015-07-01 22:20 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 (24 votes), past polls