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Re: Array value changing for some reason

by kschwab (Vicar)
on Dec 31, 2018 at 22:44 UTC ( [id://1227850]=note: print w/replies, xml ) Need Help??


in reply to Array value changing for some reason

You don't have to return anything to change an array. 
#!/usr/bin/perl
sub plus {
   for (@_) {$_++}
}
my @foo=(1,2,3,4);
plus(@foo);
for(@foo) {print "$_\n"};

[download]
Prints out: 
2
3
4
5

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