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feat: add Hashable (Array α) instance

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Leonardo de Moura 2022-05-07 15:01:32 -07:00
parent b5bcf252ce
commit 73cb952275
1 changed files with 3 additions and 0 deletions
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src/Init/Data/Hashable.lean
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@ -30,6 +30,9 @@ instance [Hashable α] : Hashable (Option α) where
instance [Hashable α] : Hashable (List α) where
hash as := as.foldl (fun r a => mixHash r (hash a)) 7
instance [Hashable α] : Hashable (Array α) where
hash as := as.foldl (fun r a => mixHash r (hash a)) 7
instance : Hashable UInt8 where
hash n := n.toUInt64