From type/Enumeration

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These are Enumeration properties.

enum Norse-gods <Þor Oðin Freija>;
say Oðin.value; # OUTPUT: «1␤»

The value is assigned automatically by the enum type starting at 0. Oðin gets 1 since it is the second in the enum.

From type/Pair

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multi method value(Pair:D:) is rw

Returns the value part of the Pair.

my $p = (Raku => "d");
say $p.value; # OUTPUT: «d␤»