Rod Adams wrote:

   multi method foo#bar (Num x) {...}
   multi method foo#fiz (String x) {...}

   $y = 42;
   $$y); # even though $y looks like a Num
   $$z);     # let MMD sort it out.

Having additional tags might also give us something to hang priority traits off: "foo#bar is more_specific_than(foo#baz);" might influence the order of clauses in the implicit given/when block. It feels like there should be a generalization of operator precidence here (even thought he two are superficially dis-similar, the looser/tighter concept appears valid).

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