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Participants : Mehdi Dogguy, Louis Mandel [contact] , Cédric Pasteur.

Programming language, synchronous reactive programming, concurrent systems, dedicated type-systems.

ReactiveML is a programming language dedicated to the implementation of interactive systems as found in graphical user interfaces, video games or simulation problems. ReactiveML is based on the synchronous reactive model due to Boussinot, embedded in an ML language (OCaml).

The Synchronous reactive model provides synchronous parallel composition and dynamic features like the dynamic creation of processes. In ReactiveML, the reactive model is integrated at the language level (not as a library) which leads to a safer and a more natural programming paradigm.

ReactiveML is distributed at URL http://rml.lri.fr . The compiler is distributed under the terms of the Q Public License and the library is distributed under the terms of the GNU Library General Public License. The development of ReactiveML started at the University Paris 6 (from 2002 to 2006).

The language was mainly used for the simulation of mobile ad hoc networks at the Pierre and Marie Curie University and for the simulation of sensor networks at France Telecom and Verimag (CNRS, Grenoble).

In 2012, a new automatic build system for ReactiveML program based on ocamlbuild has been implemented. A new static analysis which checks that programs cooperate has been developed. A full ReactiveML toplevel compiled into JavaScript has been made available at http://rml.lri.fr/tryrml . The ReactiveML distribution has also been cleaned up.