class Hamper {
    has $.name = 'Christmas Basket';

    my Str @item_defaults[3] = 'Mince Pie', 'White Wine', 'Stinky Cheese';

    has Str @.items[3] is rw;

    method TWEAK(){
        @!items[ $_ ] ||= @item_defaults[ $_ ] for @item_defaults.keys;
    }
}

my $hamper = Hamper.new;

say "Name: " ~ $hamper.name;
say "Items: " ~ $hamper.items;