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(.using
[library
[lux {"-" i64}
[type {"+" by_example}]
[abstract
[equivalence {"+" Equivalence}]]
[control
["[0]" maybe]]]]
[//
["[0]" i64 {"+" Sub}]])
(def: sub
(maybe.trusted (i64.sub 8)))
(def: .public I8
Type
... TODO: Switch to the cleaner approach ASAP.
(case (type_of ..sub)
{.#Apply :size: :sub:}
(type (I64 :size:))
_
(undefined))
... (by_example [size]
... (Sub size)
... ..sub
... (I64 size))
)
(def: .public equivalence (Equivalence I8) (# ..sub sub_equivalence))
(def: .public width Nat (# ..sub bits))
(def: .public i8 (-> I64 I8) (# ..sub narrow))
(def: .public i64 (-> I8 I64) (# ..sub wide))
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