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+A class for types that can be converted to a hash value.
+
+This package defines a class, Hashable, for types that can be
+converted to a hash value. This class exists for the benefit of
+hashing-based data structures. The package provides instances for
+basic types and a way to combine hash values.
+
+After uninstalling, run this command to unregister the package from
+the ghc package database: ghc-pkg recache