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A monadic framework for delimited continuations

Published online by Cambridge University Press:  01 November 2007

R. KENT Dyvbig ,
SIMON PEYTON JONES  and
AMR SABRY
R. KENT Dyvbig
Affiliation:
Indiana University, IN, USA
SIMON PEYTON JONES
Affiliation:
Microsoft Research, Cambridge, USA
AMR SABRY
Affiliation:
Indiana University, IN, USA
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Abstract

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Delimited continuations are more expressive than traditional abortive continuations and they apparently require a framework beyond traditional continuation-passing style (CPS). We show that this is not the case: standard CPS is sufficient to explain the common control operators for delimited continuations. We demonstrate this fact and present an implementation as a Scheme library. We then investigate a typed account of delimited continuations that makes explicit where control effects can occur. This results in a monadic framework for typed and encapsulated delimited continuations, which we design and implement as a Haskell library.

Type
Article
Information
Journal of Functional Programming , Volume 17 , Issue 6 , November 2007 , pp. 687 - 730
Copyright
Copyright © Cambridge University Press 2007

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