Publication details

Saarland University Computer Science

A Concurrent Lambda Calculus with Futures

Joachim Niehren, Jan Schwinghammer, Gert Smolka

5th International Workshop on Frontiers in Combining Systems, Vol. 3717 of Lecture Notes in Computer Science, pp. 248--263, Springer, May 2005

We introduce a new concurrent lambda calculus with futures, lambda(fut), to model the operational semantics of Alice, a concurrent extension of ML. lambda(fut) is a minimalist extension of the call-by-value lambda-calculus that yields the full expressiveness to define, combine, and implement a variety of standard concurrency constructs such as channels, semaphores, and ports. We present a linear type system for lambda(fut) by which the safety of such definitions and their combinations can be proved: Well-typed implementations cannot be corrupted in any well-typed context.

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