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Paper Details

%T Implementing Generalised Alt
%A Gavin Lowe
%E Peter H. Welch, Adam T. Sampson, Jan Bækgaard Pedersen, Jon Kerridge, Jan F. Broenink, Frederick R. M. Barnes
%B Communicating Process Architectures 2011
%X In this paper we describe the design and implementation of
   a generalised alt operator for the Communicating Scala
   Objects library. The alt operator provides a choice between
   communications on different channels. Our generalisation
   removes previous restrictions on the use of alts that
   prevented both ends of a channel from being used in an
   alt. The cost of the generalisation is a much more difficult
   implementation, but one that still gives very acceptable
   performance. In order to support the design, and greatly
   increase our confidence in its correctness, we build CSP
   models corresponding to our design, and use the FDR model
   checker to analyse them.

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