ANN: Logtalk 2.22.0 is now available for downloading
From: Paulo Moura (pmoura_at_di.ubi.pt)
Date: 11/30/04
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Date: Tue, 30 Nov 2004 17:32:16 GMT
Hi!
Logtalk 2.22.0 is now available for downloading from the Logtalk web
site:
Logtalk is an open source object-oriented extension to the Prolog
programming language. Integrating logic programming with
object-oriented and event-driven programming, it is compatible with
most Prolog compilers. It supports both prototypes and classes. In
addition, it supports component-based programming through
category-based composition.
This release introduces a notion of library as a directory of source
files, adds a dynamic predicate for declaring library names and paths,
allows source files to be compiled and loaded using the notation
<library>(<entity>), improves installation instructions and scripts,
and provides several usability enhancements.
>>From the release notes:
* Implemented a notion of library as simply a directory containing
source files. Added a new dynamic predicate, logtalk_library_path/2,
for specifying library paths. Added sample file for setting library
paths for the Logtalk standard library and for all the supplied
examples.
* Added support for using the notation <library>(<entity>) with the
built-in predicates logtalk_compile/1-2 and logtalk_load/1-2 for
compiling and loading source files contained on a library, without the
need to first change the current working directory.
* Changed the library and the examples loading instructions to use the
notation <library>(<entity>).
* Improved installation instructions and installation scripts. Added a
new environment variable, LOGTALKUSER, for defining the location of
the copies of the user-modifiable Logtalk files in a multiple users
setup environment.
* Added utility predicates to most configuration files for querying
and changing the current working directory (needed for the
<library>(<entity>) notation to work).
* Corrected a bug in the code that checks for file existence when
compiling or loading source files and source metafiles.
The CVS tag for this release is "lgt2220".
Happy logtalking!
Paulo
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