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Re: string to expression

by mkirank (Chaplain)
on Jan 10, 2007 at 03:35 UTC ( #593820=note: print w/replies, xml ) Need Help??


in reply to string to expression

check overload
#!perl use strict; use warnings; my $num = new SomeThing 57; $b=5+$num; print "b is $b \n"; my $minus = $num - 10; print "minus is $minus \n"; package SomeThing; sub new { my $p = shift; bless [@_], $p } use overload '+' => \&myadd, '-' => \&mysub; sub myadd { my $self = shift; my $var = shift; return ($var + $self->[0]); } sub mysub { my $self = shift; my $var = shift; return ( $self->[0] - $var); } 1;

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[stevieb]: I have a 3 day winter survival kit in my vehicle in the event I get snowed in in the mountains (which has happened before due to avalanches closing the roads (and once in the summer due to a massive forest fire that trapped us
[perldigious]: a handful of people in my work area did not make it, but I live pretty close and it's flat the whole way, so I didn't have any trouble. The roundabout is the worst thing I have to negotiate.
[thezip]: G'day all!
[perldigious]: Well, that and dodging the people who forget how ice works right away. :-)
[stevieb]: hey, thezip
[perldigious]: I don't miss having to drive up and down in elevation on roads that are iced over, I white knuckled gripping the steering wheel every time I had to where I used to live.
[perldigious]: So I don't envy you mountain guys if you have to drive in the winter, even with tire chains.
MidLifeXis waves.
[stevieb]: man, I absolutely LOVE driving in the worst winter conditions. In the mountainous roads, there are extremely few (if any) other drivers. I love the challenge. I've been doing extreme off-road my whole life, and as I said, I'm always well...
[stevieb]: ...prepared for even the very worst

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