Hi!
Logtalk 2.22.0 is now available for downloading from the Logtalk web
site:
http://www.logtalk.org/
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
-----------------------------------------------------------
Paulo Jorge Lopes de Moura
Dep. of Informatics Office 4.3 Ext. 3257
University of Beira Interior Phone: +351 275319700
6201-001 Covilhã Fax: +351 275319891
Portugal
<mailto:pmoura(a)di.ubi.pt>
<http://www.di.ubi.pt/~pmoura> <http://www.logtalk.org>
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i am brand new to prolog (less than 24hours) so i appologize if this
is a competely stupid question. i am trying to work through so
tutorials/examples i found online. several times i have come accross
the predicate listing. when i try to use this in ciao prolog, i get
the error message undefined predicate. in one of the references that
i found this in (prolog now), it is referred to as a built-in prolog
predicate. i think i need to load some library or module or something
but i can't tell from reading the ciao prolog manual what the library
is.
i am grateful for any comments.
thanks.
lindsay
--
Lindsay Grey Cowell, Ph.D.
Assistant Professor
Department of Biostatistics and Bioinformatics
Center for Bioinformatics and Computational Biology
107 North Bldg, Research Drive
Box 90090
Duke University
Durham, NC 27708
919 681 6226 (Tel)
919 668 2465 (Fax)
lgcowell(a)duke.edu
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