record-hasfield alternatives and similar packages
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This package provides a version of "GHC.Records" as it will be after the implementation of GHC proposal #42, which reads:
-- | Constraint representing the fact that the field @[email protected] can be get and set on -- the record type @[email protected] and has field type @[email protected] class HasField x r a | x r -> a where -- | Function to get and set a field in a record. hasField :: r -> (a -> r, a)
In GHC these will be magically solved, but this package doesn't provide that. This package does provide extra helper functions for working with the
HasField type class.