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(.using
[library
[lux "*"
[abstract
["[0]" equivalence {"+" Equivalence}]]
[data
[format
[binary {"+" Writer}]]]
[type
[primitive "*"]]]]
["[0]" // "_"
[encoding
["[1][0]" unsigned {"+" U2}]]])
(def: .public length
//unsigned.bytes/2)
(primitive: .public (Index kind)
U2
(def: .public index
(All (_ kind) (-> U2 (Index kind)))
(|>> abstraction))
(def: .public value
(-> (Index Any) U2)
(|>> representation))
(def: .public equivalence
(All (_ kind) (Equivalence (Index kind)))
(# equivalence.functor each
..value
//unsigned.equivalence))
(def: .public writer
(All (_ kind) (Writer (Index kind)))
(|>> representation //unsigned.writer/2))
)
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