July 2017GHC 8.2.1Mailing list: GHC 8.2.1 releasedGHC blog: GHC 8.2.1 releasedRelease notes for GHC 8.2.1
New language extensions:
Options added to the GHCi :type command:
+dto apply type defaulting to the expression
+vto provide information relevant to explicit type application, a feature that was added in GHC 8.0
This GHC version corresponds to
base version 220.127.116.11.base-18.104.22.168
BifoldableBifoldable in base and
Bitraversable,Bitraversable in base previously available from the
bifunctorspackage,The bifunctors package are now included in
liftA2function is now a method of the Applicative class.
- The Semigroup instance for
GHC.RecordsRecord field selector polymorphismGHC.Records in base module is added, containing the
HasFieldclass which will later support the
OverloadedRecordDotextension in GHC 9.2.