my $a = [1, 2, 3]; #### my @a = (1, 2, 3); #### foreach $a[1](@b) #### foreach @$a[1][@b] #### $a[1]
## my @a = (1, 2, 3); ##
## foreach $a[1](@b) ##
## foreach @$a[1][@b] ##
## $a[1]