From: Jim Wise <jwise@...>
Date: 2011-09-23T04:14:07+09:00
Subject: [ANN] ambit 0.10 Released

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ambit version 0.10 has been released!

* <https://github.com/jimwise/ruby/tree/master/ambit>
* <Author::    Jim Wise  (mailto:jwise@draga.com)>
* <Copyright:: Copyright (c) 2011 Jim Wise>
* <License::   2-clause BSD-Style (see LICENSE.txt)>

This is an all-ruby implementation of choose/fail nondeterministic
programming with branch cut, as described in Chapter 22 of Paul Graham's
_On Lisp_[1], or Section 4.3 of _SICP_[2].


Changes:

### 0.10 / 2011-04-26

* Add Ambit::unmark! and Ambit::unmark_all!, which can be used to undo the
  effects of the Ambit::mark operation -- see "Marking and Cutting" in
  README for details.

* Add Ambit::trace and Ambit::untrace to turn on or off tracing of Ambit
  operations to STDERR.  In Ambit test cases, check for the environment
  variable AMBIT_TRACE, and turn on tracing during execution of tests if it
  is set.

=2D-=20
				Jim Wise
				jwise@draga.com

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