perl 子函数传入多个数组

 1 use strict;
 2 
 3 my @s1=(1,13,4,25,6,27,8,22);
 4 my @s2=(11,2,34,5,6,23,1,54);
 5 
 6 my @sum=sums(\@s1,\@s2);
 7 
 8 foreach my $k(@sum){
 9     print "$k\n";
10 }
11 
12 my @res;
13 sums2(\@s1,\@s2,\@res);
14 
15 foreach my $k(@res){
16     print "$k\n";
17 }
18 
19 
20 sub sums2{
21     my ($lst1,$lst2,$res)=@_;
22     my $i=0;
23     while($i<@$lst1){
24         push @$res,$lst1->[$i]+$lst2->[$i];
25         $i++
26     }
27 }
28 
29 
30 sub sums{
31     my ($lst1,$lst2)=@_;
32     my $i=0; my @res;
33     while($i<@$lst1){
34         push @res,$lst1->[$i]+$lst2->[$i];
35         $i++;
36     }
37     return @res;
38 }