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Add note about Digest implementing ByteArrayAccess

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This commit is contained in:
Olivier Chéron 2017-08-22 20:39:29 +02:00
parent 007f69c557
commit c6c715f465
1 changed files with 8 additions and 0 deletions
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8
Crypto/Hash/Types.hs
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@ -62,6 +62,14 @@ newtype Context a = Context Bytes
deriving (ByteArrayAccess,NFData) deriving (ByteArrayAccess,NFData)
-- | Represent a digest for a given hash algorithm. -- | Represent a digest for a given hash algorithm.
--
-- This type is an instance of 'ByteArrayAccess' from package
-- <https://hackage.haskell.org/package/memory memory>.
-- Module "Data.ByteArray" provides many primitives to work with those values
-- including conversion to other types.
--
-- Creating a digest from a bytearray is also possible with function
-- 'Crypto.Hash.digestFromByteString'.
newtype Digest a = Digest (F.UArray Word8) newtype Digest a = Digest (F.UArray Word8)
deriving (Eq,Ord,ByteArrayAccess) deriving (Eq,Ord,ByteArrayAccess)