use strict;
use warnings;
#return a pointer to a function that should be invoked
sub makeLazy { 
   my ($inp) = @_;
      sub {
         eval $inp; 
         die if $@;
      };
}
my $i = 1;
my $part2 = makeLazy('print "\nnow its $i";');
print "\ni is ".$i++;
$part2->();
print "\ni is $i";