The Control-Monad-ST2 package

[ Tags: bsd3, control, library ] [ Propose Tags ]

The ST2 monad is like the ST monad, but with finer-grained control over access to mutable state. The phantom type parameters r and w are used to track the read and write dependencies of the computation. If a computation of type ST2 r w a is polymorphic in w then it does not write any external state. If it is also polymorphic in r then it does not read any external state.


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Versions 0.1.0.1
Dependencies array, base (>=4.5 && <5), QuickCheck, SafeSemaphore [details]
License BSD3
Copyright Kevin Backhouse, 2013
Author Kevin Backhouse
Maintainer Kevin.Backhouse@gmail.com
Category Control
Home page https://github.com/kevinbackhouse/Control-Monad-ST2
Source repository this: git clone https://github.com/kevinbackhouse/Control-Monad-ST2.git(tag Version-0.1.0.1)
Uploaded Tue Jun 11 01:52:44 UTC 2013 by KevinBackhouse
Distributions NixOS:0.1.0.1
Downloads 543 total (8 in the last 30 days)
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Readme for Control-Monad-ST2-0.1.0.1

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Control.Monad.ST2
=================

The Control.Monad.ST2 monad is like the Control.Monad.ST monad, but
with finer-grained control over access to mutable state. The phantom
type parameters r and w are used to track the read and write
dependencies of the computation. If a computation of type ST2 r w a is
polymorphic in w then it does not write any external state. If it is
also polymorphic in r then it does not read any external state.

Change log
----------

0.1.0.0 - First version