What you don't understand is that perl compiles that sub foo and compiles the lexical-ness of the my declarations before it executes the foo() and before it sets those lexicals below the function call.
I think it's clearer like this. It's nearly the same thing, but it doesn't have the lexical masking that yours has. That just confuses the issue.
use strict;
use warnings;
foo();
my ($foo, $berries) = (1,2);
foo();
sub foo {
print "$foo, $berries\n";
}
Here you can clearly see I'm using the foo and berries declared lexically after the function is called. The declaration happens at compile time and the initialization happens at runtime.
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: |
| & | | & |
| < | | < |
| > | | > |
| [ | | [ |
| ] | | ] |
Link using PerlMonks shortcuts! What shortcuts can I use for linking?
See Writeup Formatting Tips and other pages linked from there for more info.