tool: ocs

---

Language:	OPAL
Version:	2.1e
Parts:	compiler(->C), interpreter, translator, library, documentation, examples, tutorial, run-time.
Author:	The OPAL Group at Technical Univ. of Berlin. <opal@cs.tu-berlin.de>
Location:	ftp://ftp.tu-berlin.de/pub/local/uebb/ocs/* europe: ftp://ftp.fu-berlin.de/pub/unix/languages/opal/* u.s. : ftp://ftp.isi.edu/opal/* http://www.cs.tu-berlin.de/~opal/
Description:	The language OPAL has been designed as a testbed for the development of functional programs. Opal molds concepts from Algebraic Specification and Functional Programming, which shall favor the (formal) development of (large) production-quality software that is written in a purely functional style. The core of OPAL is a strongly typed, higher-order, strict applicative language which belongs to the tradition of HOPE and ML. The algebraic flavour of OPAL shows up in the syntactical appearance and the preference of parameterization to polymorphism.
Reference:	ftp://ftp.tu-berlin.de:/pub/local/uebb/papers/DesignImplOpal.ps.gz
Features:	In the latest "pseudoknot" benchmark, its performance falls in the top group of the functional languages tested. Orders of magnitude faster than the interpreted fps.
Bugs:	Report bugs to opal-bugs@cs.tu-berlin.de
Restriction:	Constructors cannot have more then 24 components.
Requires:	gcc 2.x + gnu make 3.64 or better.
Ports:	Most unix( SPARCs, DECstations, NeXTs, PC-Linux, HP7xx).
Portability:	Very portable,one just needs to find out which compiler switches are needed.
Status:	active, supported.
Discussion:	opal-discussion@cs.tu-berlin.de
Help:	opal@cs.tu-berlin.de
Support:	opal@cs.tu-berlin.de opal-bugs@cs.tu-berlin.de
Announcements:	opal-announce@cs.tu-berlin.de
Contact:	opal@cs.tu-berlin.de
Updated:	August 1st, 1995

category: functional languages summary, or expanded.