Re^2: Raku question: "Moose is Perl", but it sure ain't Raku.

[Anonymous Monk]

class A {
     has $.a;
     method TWEAK(:$!a = "foo") { }
}
dd A.new;               # A.new(a => "foo")
dd A.new(a => "bar");   # A.new(a => "bar")