To: beginners@perl.org
Date sent: Thu, 19 Oct 2006 13:55:45 +0200
From: Norbert Preining <[EMAIL PROTECTED]>
Copies to: Elisa Mori <[EMAIL PROTECTED]>, [EMAIL PROTECTED]
Subject: Evaluation of ++ different in C and perl?
> Hi all!
> Maybe this has been answered before, but my searching didn't show up
> anything: The Perl Book says: Auto increment and decrement work as in
> C. So if I take this C program: #include <stdio.h> #include <stddef.h>
> int main() {
> int a;
> int b;
> a=3;
> b=(++a)+(a++);
> printf("b=%d\n",b);
> }
> it prints b=8.
>
> When I do the same in perl:
> $a = 3;
> $b = (++$a) + ($a++);
> print "b=$b\n";
>
> It prints b=9.
>
> I checked with a friend and Java behaves like C and prints 8.
>
> Can someone enlighten us by giving an interpretation of the above
> term?
Anyone who uses something like that begs for problems.
Just don't do that.
Jenda
===== [EMAIL PROTECTED] === http://Jenda.Krynicky.cz =====
When it comes to wine, women and song, wizards are allowed
to get drunk and croon as much as they like.
-- Terry Pratchett in Sourcery
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