You've gotten a pile of great answers. :)

I'll add another to the pile, but omit explanation.

say % = ["foo" => "bar"], "baz" => 42; # {foo     bar => baz => 42}

say % = ["foo" => "bar"];              # {foo => bar}

say % = ["foo" => "bar"],;             # Odd number ... Only saw: $[:foo("bar")]

--
raiph

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