From: dan marsden (danmarsden_at_[hidden])
Date: 2008-01-14 17:25:52
I'm posting an early version of a library for manipulating hierarchical data structures, for example the parse trees that are produced by Spirit2. The library enables traversals, and local modifications of complex data structures, without the need to implement large amounts of repetitive traversal code. The library is in a very early state, but has a pretty large introduction and quick start guide, which (hopefully) will help get people started with the library. Formal documentation is unfortunately non-existent at this point.
The library is based on techniques from the Haskell community, links to relevant papers are provided in the documentation.
The library is intended to play well with the rest of Boost, it already contains support for structures built with Boost.Optional and Boost.Variant, and Boost.Fusion, and will support other Boost libraries in future releases. The library makes heavy use of function objects, and is intended to work with Boost.Lambda, Phoenix, and other function object libraries in Boost.
Online documentation can be found at:
A gzip copy of the latest source is available for download at.
I've also detailed some of the directions that future implementations of the library make take.
Any feedback gratefully accepted.
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