From type/Any

See Original text in context

method MixHash(--> MixHash:D) is nodal

Coerces the invocant to MixHash, whereby Positional are treated as lists of values.

From type/Setty

See Original text in context

method MixHash(Setty:D: --> MixHash:D)

Returns a MixHash containing the elements of the invocant.

my MixHash $b = Set.new(1, 2, 3).MixHash;
say $b;                                           # OUTPUT: «MixHash(1 2 3)␤»