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Local algebraic effect theories

Part of: Effects and Handlers

Published online by Cambridge University Press:  11 May 2020

ŽIGA LUKŠIČ Open the ORCID record for ŽIGA LUKŠIČ [Opens in a new window]  and
MATIJA PRETNAR
ŽIGA LUKŠIČ
Affiliation:
Faculty of Mathematics and Physics, University of Ljubljana, Slovenia, (e-mails: ziga.luksic@fmf.uni-lj.si, matija.pretnar@fmf.uni-lj.si)
MATIJA PRETNAR
Affiliation:
Faculty of Mathematics and Physics, University of Ljubljana, Slovenia, (e-mails: ziga.luksic@fmf.uni-lj.si, matija.pretnar@fmf.uni-lj.si)
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Abstract

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Algebraic effects are computational effects that can be described with a set of basic operations and equations between them. As many interesting effect handlers do not respect these equations, most approaches assume a trivial theory, sacrificing both reasoning power and safety. We present an alternative approach where the type system tracks equations that are observed in subparts of the program, yielding a sound and flexible logic, and paving a way for practical optimisations and reasoning tools.

Type
Research Article
Information
Journal of Functional Programming , Volume 30 , 2020 , e13
Copyright
Copyright © The Author(s) 2020. Published by Cambridge University Press

Footnotes

†

This material is based upon work supported by the Air Force Office of Scientific Research under award number FA9550-17-1-0326.

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