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my Point $p = Point.new; ... $p.set( y => 4 ); $p.gist.put; $p.y.put;
17:44 >raku 2091_SoPW.raku [0, 0] ... 4 18:00 >
method set( :$x = $.x, :$y = $.y )
$!x = $x; $!y = $y;