Opened by Froschpopo at 2005-11-03 10:48
User since
2003-08-04
12208 Artikel
Admin1
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2003-08-04
12208 Artikel
Admin1
warum ist der papst katholisch?
und das ganze mit our:
\n\n
<!--EDIT|pq|1131520851-->
Code: (dl
)
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tina@lugosi:~$ perl -Mstrict -wle'
sub handler {
my $x = 23;
sub inner {
print "inner before: $x";
$x = $x + 42;
print "inner: $x";
}
}
inner();
'
Variable "$x" will not stay shared at -e line 5.
Use of uninitialized value in concatenation (.) or string at -e line 5.
inner before:
Use of uninitialized value in addition (+) at -e line 5.
inner: 42
und das ganze mit our:
Code: (dl
)
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5
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tina@lugosi:~$ perl -Mstrict -wle'
sub handler {
our $x = 23;
sub inner {
print "inner before: $x";
$x = $x + 42;
print "inner: $x";
}
}
inner();
'
Use of uninitialized value in concatenation (.) or string at -e line 5.
inner before:
Use of uninitialized value in addition (+) at -e line 5.
inner: 42
<!--EDIT|pq|1131520851-->
Always code as if the guy who ends up maintaining your code will be a violent psychopath who knows where you live. -- Damian Conway in "Perl Best Practices"
lesen:
Wie frage ich & perlintro brian's Leitfaden für jedes Perl-Problem
lesen:
Wie frage ich & perlintro brian's Leitfaden für jedes Perl-Problem