Date: Fri, 14 Mar 1997 21:04:35 +0900
Message-Id: <9703141204.AA26595@safran.kurims.kyoto-u.ac.jp>
From: Jacques GARRIGUE <garrigue@kurims.kyoto-u.ac.jp>
To: caml-list@pauillac.inria.fr
Subject: Objective Label Trilogy, version 1.04
This is our pleasure to announce
The Objective Label Trilogy, version 1.04
Objective Label / LablTk / LablBrowser
Objective Label is an extension of Objective Caml with labeled and
optional arguments, and polymorphic variants.
LablTk uses these extensions to provide an almost type safe interface
to Tcl/Tk, such that you can write application in a style very close
to Tk.
LablBrowser is a programming environment, allowing one to browse code,
both source and compiled, and navigate through it on the basis of
types and compiled interfaces. It also includes an editor, and a
language shell.
The combination of these three elements is a system
* easy to program, thanks to the libraries and tools
* producing more readable programs, thanks to labels
* allowing preciser and lighter typing, thanks to variants
The port is complete: all the functionality and tools of Objective
Caml is available.
It is source compatible with O'Caml: any program or library written in
O'Caml can be compiled without modification, and you may even add
labels to interfaces to your taste.
This release should work on any Unix/X windows based system, producing
native code on architectures supported by Objective Caml.
It may also work on Windows NT, but this is not supported at this
time. A binary version, centered on LablBrowser, should be available
soon for Windows systems.
Changed from 1.03:
This release was a little bit late, because there were many changes to
merge on both sides.
O'Labl:
* easier to install: no need to bootstrap.
* variant syntax is extended (types and matching), and they are now
fully recursive. Powerful subtyping mechanism, similar to objects
* they are better compiled (optimized match compiler, and profits from
the changes in the native code compiler)
* updated the manual :-)
LablTk41:
* now based on OCamlTk41. You will need Tcl/Tk 7.5/4.1 or 7.6/4.2.
* corrected some strange definitions
LablBrowser:
* changed completely the layout of the browser, which should be much
easier to use
* many new browsing and navigation functions: you may now jump from
interfaces to source code, etc...
* added a shell to run a toplevel
You may get the O'Labl trilogy at
http://wwwfun.kurims.kyoto-u.ac.jp/soft/olabl/
ftp://ftp.kurims.kyoto-u.ac.jp/pub/lang/olabl/olabl-1.04.tar.gz
Comments to
Jacques Garrigue <garrigue@kurims.kyoto-u.ac.jp>
Jun Furuse (LablTk) <Jun.Furuse@inria.fr>
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