class Dot {
    has $.x;
    has $.y;
    has $!z;
    
    method get {
        return ($!x, $!y, $!z);
    }
};

my $a = Dot.new(x => 23, y => 42, z => 2);
say $_ for $a.get;

##</code><code>##

23
42
(Any)

##</code><code>##

Use of uninitialized value of type Any in numeric context ...