tyConHash -- quick fix?
Simon Peyton Jones
simonpj at microsoft.com
Wed Mar 11 09:39:41 UTC 2015
data TyCon = TyCon {
tyConHash :: {-# UNPACK #-} !Fingerprint, -- ^ @since 4.8.0.0
tyConPackage :: String, -- ^ @since 4.5.0.0
tyConModule :: String, -- ^ @since 4.5.0.0
tyConName :: String -- ^ @since 4.5.0.0
}
Friends,
Is tyConHash a good name here? Wouldn't tyConFingerprint be better?
* Hash functions usually yield a Int.
* tyConFingerprint :: TyCon -> Fingerprint makes the name match the type.
* If we had fingerprintHash:: Fingerprint -> Int, then we might want
tyConHash :: TyCon -> Int
tyConHash = fingerprintHash . tyConFingerpring
This is new in 7.10, so we could fix it now with no trouble.
Simon
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