Gay, S. J. (2016) Subtyping supports safe session substitution. Lecture Notes in Computer Science, 9600, pp. 95-108. (doi: 10.1007/978-3-319-30936-1_5)
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Abstract
Session types describe the structure of bi-directional point-to-point communication channels by specifying the sequence and format of messages on each channel. A session type defines a communication protocol. Type systems that include session types are able to statically verify that communication-based code generates, and responds to, messages according to a specified protocol. It is natural to consider subtyping for session types, but the literature contains conflicting definitions. It is now folklore that one definition is based on safe substitutability of channels, while the other is based on safe substitutability of processes. We explain this point in more detail, and show how to unify the two views.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Gay, Professor Simon |
| Authors: | Gay, S. J. |
| College/School: | College of Science and Engineering > School of Computing Science |
| Journal Name: | Lecture Notes in Computer Science |
| Publisher: | Springer |
| ISSN: | 0302-9743 |
| ISSN (Online): | 1611-3349 |
| Copyright Holders: | Copyright © 2016 Springer International Publishing |
| First Published: | First published in Lecture Notes in Computer Science 9600:95-108 |
| Publisher Policy: | Reproduced in accordance with the copyright policy of the publisher |
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