The syb package

[Tags:bsd3, library]

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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Versions 0.1.0.0, 0.1.0.1, 0.1.0.2, 0.1.0.3, 0.2, 0.2.1, 0.2.2, 0.3, 0.3.1, 0.3.2, 0.3.3, 0.3.4, 0.3.5, 0.3.6, 0.3.6.1, 0.3.6.2, 0.3.7, 0.4.0, 0.4.1, 0.4.2, 0.4.3, 0.4.4, 0.5, 0.5.1, 0.6
Dependencies base (>=4.0 && <4.6) [details]
License BSD3
Author Ralf Lammel, Simon Peyton Jones, Jose Pedro Magalhaes
Maintainer generics@haskell.org
Stability provisional
Category Generics
Home page http://www.cs.uu.nl/wiki/GenericProgramming/SYB
Bug tracker http://code.google.com/p/scrapyourboilerplate/issues/list
Source repository head: git clone https://github.com/dreixel/syb
Uploaded Thu Dec 15 13:06:37 UTC 2011 by JosePedroMagalhaes
Distributions Arch:0.6, Debian:0.6, Fedora:0.6, FreeBSD:0.5.1, LTSHaskell:0.6, NixOS:0.6, Stackage:0.6, Tumbleweed:0.6
Downloads 177965 total (74 in the last 30 days)
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Status Docs uploaded by user
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Readme for syb

Readme for syb-0.3.6

syb: Scrap Your Boilerplate!
================================================================================

Scrap Your Boilerplate (SYB) is a library for generic programming in Haskell. It 
is supported since the GHC >= 6.0 implementation of Haskell. Using this 
approach, you can write generic functions such as traversal schemes (e.g., 
everywhere and everything), as well as generic read, generic show and generic 
equality (i.e., gread, gshow, and geq). This approach is based on just a few 
primitives for type-safe cast and processing constructor applications. 

It was originally developed by Ralf Lämmel and Simon Peyton Jones. Since then,
many people have contributed with research relating to SYB or its applications. 

More information is available on the webpage: 
http://www.cs.uu.nl/wiki/GenericProgramming/SYB


Features
--------

* Easy generic programming with combinators
* GHC can derive Data and Typeable instances for your datatypes
* Comes with many useful generic functions


Requirements
------------

* GHC 6.10.1 or later
* Cabal 1.6 or later


Bugs & Support
--------------

Please report issues or request features at the bug tracker:

  http://code.google.com/p/scrapyourboilerplate/issues/list

For discussion about the library with the authors, maintainers, and other
interested persons use the mailing list:

  http://www.haskell.org/mailman/listinfo/generics