Computer Science > Programming Languages
[Submitted on 24 Jan 2011]
Title:Session Types = Intersection Types + Union Types
View PDFAbstract:We propose a semantically grounded theory of session types which relies on intersection and union types. We argue that intersection and union types are natural candidates for modeling branching points in session types and we show that the resulting theory overcomes some important defects of related behavioral theories. In particular, intersections and unions provide a native solution to the problem of computing joins and meets of session types. Also, the subtyping relation turns out to be a pre-congruence, while this is not always the case in related behavioral theories.
Submission history
From: EPTCS [view email] [via EPTCS proxy][v1] Mon, 24 Jan 2011 01:39:52 UTC (39 KB)
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