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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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