You have to add them in a loop. However, there are ways to help you with that. If you wanted to do it by hand, you could say
my $arr = [7,8,11];
$hash{one}[$_] += $arr->[$_] for 0 .. $#{$hash{one}};
But, that's ... ugly. A better way would be to use
tye's
Algorithm::Loops as so
use Algorithm::Loops qw( MapCarE );
@{$hash{one}} = MapCarE { $_[0] + $_[1] } $hash{one}, [7,8,11];
The nice thing about this is that you can add more arrays to the end, update sub a little, and you're good. :-)
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