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(.module:
[library
[lux #*
[abstract
["." equivalence (#+ Equivalence)]]
[data
[format
[binary (#+ Writer)]]]
[type
abstract]]]
["." // #_
[encoding
["#." unsigned (#+ U2)]]])
(def: .public length
//unsigned.bytes/2)
(abstract: .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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