BSD-3-Clause licensed by Ralf Lammel, Simon Peyton Jones, Jose Pedro Magalhaes
Maintained by generics@haskell.org

This package contains the generics system described in the Scrap Your Boilerplate papers (see http://www.cs.uu.nl/wiki/GenericProgramming/SYB). It defines the Data class of types permitting folding and unfolding of constructor applications, instances of this class for primitive types, and a variety of traversals.

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